CISCO-SA-HARDENING-IOSXR-QG64NCM
Vulnerability from csaf_cisco - Published: 2026-09-02 16:00 - Updated: 2026-09-17 21:13Summary
Cisco IOS XR Software Security Hardening Release: September 2026
Notes
Summary: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
These vulnerabilities were found during internal testing and are not known to be actively exploited. To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class — Common Weakness Enumeration (CWE) — and assigned a single Common Vulnerabilities and Exposures identifier (CVE ID) to each CWE grouping.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Vulnerable Products: These vulnerabilities affect all releases of Cisco IOS XR Software, including Cisco IOS XR7 (LNT) Software, regardless of device configuration.
For information about which Cisco software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory.
Determine Whether a Device is Running Cisco IOS XR7 (LNT) Software
To determine whether a device is running Cisco IOS XR7 (LNT) Software, use the show version command. If the command returns output that contains LNT, as shown in the following example, the device is running Cisco IOS XR7 (LNT) Software:
RP/0/RP0/CPU0:Router#show version
Tue Sep 1 05:44:27.305 UTC
Cisco IOS XR Software, Version 24.3.2 LNT
RP/0/RP0/CPU0:Router#
Products Confirmed Not Vulnerable: Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by these vulnerabilities.
Details: The following table outlines the vulnerability classes that are addressed in these software hardening releases. The CVSS score that is assigned to each CVE ID represents the maximum potential severity of the single most impactful underlying vulnerability within that specific CWE category.
CVE ID Highest CVSS Score Vulnerability Class (Highest-Level CWE) Description CVE-2026-20274 9.8 CWE-664 Improper control of a resource through its lifetime (covers buffer copy without checking size of input, stack-based buffer overflow, heap-based buffer overflow, out-of-bounds read, use of externally-controlled format string, numeric truncation error, use after free, exposure of resource to wrong sphere, operation on a resource after expiration or release, allocation of resources without limits or throttling, out-of-bounds write, use of out-of-range pointer offset, and initialization of a resource with an insecure default) CVE-2026-20275 8.8 CWE-682 Incorrect calculation (covers incorrect calculation of buffer size, integer overflow or wraparound, and integer underflow (wrap or wraparound)) CVE-2026-20276 8.6 CWE-691 Insufficient control flow management (covers reachable assertion and loop with unreachable exit condition) CVE-2026-20277 8.2 CWE-693 Protection mechanism failure (covers use of insufficiently random values) CVE-2026-20278 8.8 CWE-707 Improper neutralization (covers improper neutralization of special elements used in a command, improper neutralization of directives in dynamically evaluated code, improper validation of array index, improper validation of specified quantity in input, and improper validation of specified index, position, or offset in input) CVE-2026-20279 9.8 CWE-284 Improper access control (covers improper certificate validation, missing authentication for critical function, missing authorization, and incorrect authorization) CVE-2026-20280 8.8 CWE-703 Improper check or handling of exceptional conditions (covers improper handling of length parameter inconsistency and not failing securely)
Workarounds: There are no workarounds that address these vulnerabilities.
Fixed Software: To remediate these vulnerabilities and avoid future exposure as described in this advisory, Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.
Fixed Releases
In the following table, the left column lists the affected Cisco IOS XR Software train, and the right column lists the first release that includes the fixes for these vulnerabilities, and the releases that have SMUs for affected platforms to address these vulnerabilities.
Customers are advised upgrade to a fixed release. If a fixed release is not available, do the following based on the table:
Upgrade to a release that has available SMUs.
Apply the appropriate SMUs for the upgraded release.
There may be approximately 16 SMUs available for each release to mitigate the vulnerabilities that are covered by the CWEs in this advisory. Cisco IOS XR Software releases 26.2.2 and 26.3.1 are the first fixed releases that contain fixes for the vulnerabilities that are described in this advisory.
Cisco IOS XR Software Train First Fixed Release and SMU Availability 7.3 (optical only) SMUs available for 7.3.21 7.9 SMUs available for 7.9.2 and 7.9.21 7.10 SMUs available for 7.10.2 7.11 SMUs available for 7.11.2 and 7.11.21 24.1 SMUs available for 24.1.2 24.2 SMUs available for 24.2.2 and 24.2.21 24.3 SMUs available for 24.3.2 24.4 SMUs available for 24.4.2 25.1 SMUs available for 25.1.2 25.2 SMUs available for 25.2.2 and 25.2.21 25.4 (optical only) SMUs available for 25.4.12 25.4 (non-optical) SMUs available for 25.4.2 26.1 SMUs available for 26.1.2 26.2 SMUs available for 26.2.1
26.2.2 26.3 26.3.1
1. SMUs for Release 7.3.2 are available only for the optical platform Cisco Network Convergence System (NCS) 1002.
2. SMUs for Release 25.4.1 are available only for the optical platforms Cisco NCS 1001, Cisco NCS 1004, and Cisco NCS 1010.
For more information on finding which SMUs may have been published for these vulnerabilities, see the Download SMUs from Cisco.com ["https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xr-software/116332-maintain-ios-xr-smu-00.html#toc-hId-972485609"] section of Understand Cisco IOS XR Software Maintenance Updates (SMUs).
In the following table, the left column lists the affected Cisco IOS XR Software functional areas, the middle column lists affected releases and platforms, and the right column the right column indicates whether a functional area is affected by this vulnerability and lists the SMU identifier that can be used to locate the the appropriate SMU. For example, the SMU for Release 24.2.2 for Cisco IOS XRv 9000 Routers BGP would be named xrv9k-24.2.2.CSCwu14807.tar.
Note: SMU identifiers are unique identifiers, not Cisco Bug IDs. All SMUs may not be applicable to all releases and platforms.
Affected Cisco IOS XR Software Functional Area Cisco IOS XR Software Releases and Platforms SMU Identifiers All XR7 (LNT) Platforms1 All releases and XR7 (LNT) platforms CSCwv19790 BGP 7.10 and earlier trains
26.2.1 Not vulnerable All other releases and platforms CSCwu14807 crypto-ike All releases and platforms CSCwv19170 gRPC All releases and platforms CSCwt41683 IP-SLA All releases and platforms CSCwv19173 Intermediate System-to-Intermediate System (IS-IS)
25.4.1 and 25.4.2 CSCwu13271 and
CSCwv191712 26.1.2 and 26.2.1 CSCwv191712 All other releases and platforms CSCwv45645 and
CSCwv191712 MPLS All releases and platforms CSCwu14825 MPLS-TE 7.10.2 CSCwv191813 All other releases and platforms CSCwv407533 Multicast 26.1.2 and 26.2.1 CSCwv19180 All other releases and platforms CSCwv19180 and
CSCwu08799 OSPF All releases and platforms CSCwv407414 and
CSCwv191712 Segment routing (IPv6 only) 7.11.21
24.2.21
25.2.21
25.4.1 CSCwv56312 7.9.21 on 64-bit ASR 9000 Series Aggregation Services Routers CSCwv56312 7.3.2 on NCS1002 CSCwv56312 26.1.2 and 26.2.1 Not vulnerable All other releases and platforms CSCwu132685 Segment routing (IPv4 only) or
Segment routing (IPv4 and IPv6) All releases and platforms CSCwv38342 TCP Authentication Option All releases and platforms CSCwv361436 Zero Touch Provisioning (ZTP) 26.2.1 Not vulnerable All other releases and platforms CSCwu36622
1. Platforms that run Cisco IOS XR7 (LNT) Software include Cisco 8000 Series Routers, Cisco NCS 1010, Cisco NCS 540L Routers, and Cisco NCS 5700 Series regardless of optional features installed. To determine whether a device is running Cisco IOS XR7 (LNT) Software using the CLI, see the Vulnerable Products ["#vp"] section of this advisory.
2. CSCwv19171 applies to both IS-IS and OSPF.
3. For release train 7.10.2 only, SMU Identifier CSCwv19181 supersedes CSCwv40753. For all other release trains, SMU Identifier CSCwv40753 supersedes CSCwv19181.
4. SMU Identifier CSCwv40741 supersedes CSCwv19174.
5. SMU Identifier CSCwu13268 supersedes CSCwv19178.
6. SMU Identifier CSCwv36143 supersedes CSCwu14817.
The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.
Vulnerability Policy: To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
For additional information on Cisco's vulnerability management, disclosure cadence, and software patching strategy, see Cisco's Transition to a Risk-Based Vulnerability Disclosure Model ["https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure"].
Exploitation and Public Announcements: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
Source: These vulnerabilities were found during internal security testing using existing testing processes as well as frontier AI models.
Legal Disclaimer: SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT
The Cisco Support and Downloads ["https://www.cisco.com/c/en/us/support/index.html"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid.
Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.
When considering software upgrades ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], customers are advised to regularly consult the advisories ["https://www.cisco.com/go/psirt"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"] or their contracted maintenance providers.
LEGAL DISCLAIMER DETAILS
CISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
Copies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories ["https://www.cisco.com/go/psirt"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"] for more information.
8.2 (High)
Affected products
Known affected
265 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
3.9.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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3.9.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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3.8.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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3.8.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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3.8.4
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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3.9.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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Base
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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4.0.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.0.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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Base
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.0.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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4.1.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
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4.2.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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4.1.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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4.1.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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4.0.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.0.4
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.0.11
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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4.2.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.2.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.3.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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4.2.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.2.4
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.3.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.3.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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3.9.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.1.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.1.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.3.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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4.3.4
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.1.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.1.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.2.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.2.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.2.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.3.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.1.1.K9SEC
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.3.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.2.4
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.3.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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Base
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.0.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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3.7.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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3.6.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.2.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.2.5
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.0.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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Base
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.0.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.0.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.2.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.2.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.2.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.0.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.0.2.01
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.3.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.3.4
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.4
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.2.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.2.25
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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5.1.4
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.12
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.22
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.32
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.3.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.3.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.3.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.4.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.4.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.4.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.5.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.5.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.5.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.6.0
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.5.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.6.1
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.6.2
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.6.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.3.3
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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7.0.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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7.0.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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7.0.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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7.1.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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7.1.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.6.25
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.7.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.7.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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7.0.11
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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7.0.12
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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7.1.15
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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5.1.11
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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5.1.12
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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5.2.21
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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5.2.47
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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5.2.6
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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5.3.31
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.1.11
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.1.21
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.1.31
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.1.33
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.1.36
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.42
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.1.45
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.2.11
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.3.15
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.4.9999
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.5.15
Cisco / Cisco IOS XR Software
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— |
Vendor Fix
fix
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6.5.25
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.5.26
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.5.28
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
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6.5.29
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
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6.5.36
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.90
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.92
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.93
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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6.6.11
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.6.12
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.6.406
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.6.560
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.6.90
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.0.208
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.0.213
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.0.216
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.0.219
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.0.220
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.0.90
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.1.119
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.1.122
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.1.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.2.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.2.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.2.141
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.2.8
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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6.2.9
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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6.4.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
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6.7.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.0.14
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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6.6.4
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.1.25
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.2.12
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.3.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.7.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.1.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.4.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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7.2.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
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6.7.4
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.3.15
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.3.16
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.31
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.4.15
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.8.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.3.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.32
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.4.16
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.5.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.3.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.6.15
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.4.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.3.27
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.6.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.7.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.9.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.6.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.5.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.8.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.7.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.9.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.5.12
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.5.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.3.4
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.8.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.7.35
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.8.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.9.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.5.4
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.8.22
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.33
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.7.21
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.9.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.3.5
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.10.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.11.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.5.5
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.9.21
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.10.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.6.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.3.6
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.1.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.11.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.1.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.2.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.2.11
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.3.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.2.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.8.23
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
7.11.21
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.2.20
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.3.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.4.10
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.4.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.35
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.3.20
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.4.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.1.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.4.15
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.2.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.1.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.3.30
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.351
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.352
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.4.30
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
24.2.21
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.3.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.2.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.2.30
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.4.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
6.5.353
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.3.15
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.1.30
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
26.1.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.4.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
26.1.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.4.30
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
26.2.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
26.2.100
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
25.4.201
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
26.2.101
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.0.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
2.0.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.0.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.2.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.2.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.2.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.2.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.2.4
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.2.50
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
| Unresolved product id: CSAFPID-5834 | — |
Vendor Fix
fix
|
|
|
3.3.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.4.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.5.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.4.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.3.4
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.3.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.3.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.3.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.2.6
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.4.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
Base
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.6.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.6.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
Base
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.7.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.4.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.5.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.5.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.5.4
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.6.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.7.2
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.7.3
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.8.0
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
|
|
3.8.1
Cisco / Cisco IOS XR Software
|
— |
Vendor Fix
fix
|
8.6 (High)
Affected products
Known affected
265 products, the same list as for
CVE-2026-20277
9.8 (Critical)
Affected products
Known affected
265 products, the same list as for
CVE-2026-20277
8.8 (High)
Affected products
Known affected
265 products, the same list as for
CVE-2026-20277
8.8 (High)
Affected products
Known affected
265 products, the same list as for
CVE-2026-20277
9.8 (Critical)
Affected products
Known affected
265 products, the same list as for
CVE-2026-20277
8.8 (High)
Affected products
Known affected
265 products, the same list as for
CVE-2026-20277
References
9 references
Acknowledgments
{
"document": {
"acknowledgments": [
{
"summary": "These vulnerabilities were found during internal security testing using existing testing processes as well as frontier AI models."
}
],
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"notes": [
{
"category": "summary",
"text": "As part of Cisco\u0027s ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.\r\n\r\nThese vulnerabilities were found during internal testing and are not known to be actively exploited. To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class \u2014 Common Weakness Enumeration (CWE) \u2014 and assigned a single Common Vulnerabilities and Exposures identifier (CVE ID) to each CWE grouping.\r\n\r\nCisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.\r\n\r\n",
"title": "Summary"
},
{
"category": "general",
"text": "These vulnerabilities affect all releases of Cisco IOS XR Software, including Cisco IOS XR7 (LNT) Software, regardless of device configuration.\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n\r\nDetermine Whether a Device is Running Cisco IOS XR7 (LNT) Software\r\n\r\nTo determine whether a device is running Cisco IOS XR7 (LNT) Software, use the show version command. If the command returns output that contains LNT, as shown in the following example, the device is running Cisco IOS XR7 (LNT) Software:\r\n\r\n\r\nRP/0/RP0/CPU0:Router#show version\r\nTue Sep 1 05:44:27.305 UTC\r\nCisco IOS XR Software, Version 24.3.2 LNT\r\nRP/0/RP0/CPU0:Router#",
"title": "Vulnerable Products"
},
{
"category": "general",
"text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by these vulnerabilities.",
"title": "Products Confirmed Not Vulnerable"
},
{
"category": "general",
"text": "The following table outlines the vulnerability classes that are addressed in these software hardening releases. The CVSS score that is assigned to each CVE ID represents the maximum potential severity of the single most impactful underlying vulnerability within that specific CWE category.\r\n CVE ID Highest CVSS Score Vulnerability Class (Highest-Level CWE) Description CVE-2026-20274 9.8 CWE-664 Improper control of a resource through its lifetime (covers buffer copy without checking size of input, stack-based buffer overflow, heap-based buffer overflow, out-of-bounds read, use of externally-controlled format string, numeric truncation error, use after free, exposure of resource to wrong sphere, operation on a resource after expiration or release, allocation of resources without limits or throttling, out-of-bounds write, use of out-of-range pointer offset, and initialization of a resource with an insecure default) CVE-2026-20275 8.8 CWE-682 Incorrect calculation (covers incorrect calculation of buffer size, integer overflow or wraparound, and integer underflow (wrap or wraparound)) CVE-2026-20276 8.6 CWE-691 Insufficient control flow management (covers reachable assertion and loop with unreachable exit condition) CVE-2026-20277 8.2 CWE-693 Protection mechanism failure (covers use of insufficiently random values) CVE-2026-20278 8.8 CWE-707 Improper neutralization (covers improper neutralization of special elements used in a command, improper neutralization of directives in dynamically evaluated code, improper validation of array index, improper validation of specified quantity in input, and improper validation of specified index, position, or offset in input) CVE-2026-20279 9.8 CWE-284 Improper access control (covers improper certificate validation, missing authentication for critical function, missing authorization, and incorrect authorization) CVE-2026-20280 8.8 CWE-703 Improper check or handling of exceptional conditions (covers improper handling of length parameter inconsistency and not failing securely)",
"title": "Details"
},
{
"category": "general",
"text": "There are no workarounds that address these vulnerabilities.",
"title": "Workarounds"
},
{
"category": "general",
"text": "To remediate these vulnerabilities and avoid future exposure as described in this advisory, Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.\r\n Fixed Releases\r\nIn the following table, the left column lists the affected Cisco IOS XR Software train, and the right column lists the first release that includes the fixes for these vulnerabilities, and the releases that have SMUs for affected platforms to address these vulnerabilities.\r\n\r\nCustomers are advised upgrade to a fixed release. If a fixed release is not available, do the following based on the table:\r\n\r\nUpgrade to a release that has available SMUs.\r\nApply the appropriate SMUs for the upgraded release.\r\n\r\nThere may be approximately 16 SMUs available for each release to mitigate the vulnerabilities that are covered by the CWEs in this advisory. Cisco IOS XR Software releases 26.2.2 and 26.3.1 are the first fixed releases that contain fixes for the vulnerabilities that are described in this advisory.\r\n Cisco IOS XR Software Train First Fixed Release and SMU Availability 7.3 (optical only) SMUs available for 7.3.21 7.9 SMUs available for 7.9.2 and 7.9.21 7.10 SMUs available for 7.10.2 7.11 SMUs available for 7.11.2 and 7.11.21 24.1 SMUs available for 24.1.2 24.2 SMUs available for 24.2.2 and 24.2.21 24.3 SMUs available for 24.3.2 24.4 SMUs available for 24.4.2 25.1 SMUs available for 25.1.2 25.2 SMUs available for 25.2.2 and 25.2.21 25.4 (optical only) SMUs available for 25.4.12 25.4 (non-optical) SMUs available for 25.4.2 26.1 SMUs available for 26.1.2 26.2 SMUs available for 26.2.1\r\n26.2.2 26.3 26.3.1\r\n1. SMUs for Release 7.3.2 are available only for the optical platform Cisco Network Convergence System (NCS) 1002.\r\n2. SMUs for Release 25.4.1 are available only for the optical platforms Cisco NCS 1001, Cisco NCS 1004, and Cisco NCS 1010.\r\nFor more information on finding which SMUs may have been published for these vulnerabilities, see the Download SMUs from Cisco.com [\"https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xr-software/116332-maintain-ios-xr-smu-00.html#toc-hId-972485609\"] section of Understand Cisco IOS XR Software Maintenance Updates (SMUs).\r\n\r\nIn the following table, the left column lists the affected Cisco IOS XR Software functional areas, the middle column lists affected releases and platforms, and the right column the right column indicates whether a functional area is affected by this vulnerability and lists the SMU identifier that can be used to locate the the appropriate SMU. For example, the SMU for Release 24.2.2 for Cisco IOS XRv 9000 Routers BGP would be named xrv9k-24.2.2.CSCwu14807.tar.\r\n\r\nNote: SMU identifiers are unique identifiers, not Cisco Bug IDs. All SMUs may not be applicable to all releases and platforms.\r\n Affected Cisco IOS XR Software Functional Area Cisco IOS XR Software Releases and Platforms SMU Identifiers All XR7 (LNT) Platforms1 All releases and XR7 (LNT) platforms CSCwv19790 BGP 7.10 and earlier trains\r\n26.2.1 Not vulnerable All other releases and platforms CSCwu14807 crypto-ike All releases and platforms CSCwv19170 gRPC All releases and platforms CSCwt41683 IP-SLA All releases and platforms CSCwv19173 Intermediate System-to-Intermediate System (IS-IS)\r\n\r\n 25.4.1 and 25.4.2 CSCwu13271 and\r\nCSCwv191712 26.1.2 and 26.2.1 CSCwv191712 All other releases and platforms CSCwv45645 and\r\nCSCwv191712 MPLS All releases and platforms CSCwu14825 MPLS-TE 7.10.2 CSCwv191813 All other releases and platforms CSCwv407533 Multicast 26.1.2 and 26.2.1 CSCwv19180 All other releases and platforms CSCwv19180 and\r\nCSCwu08799 OSPF All releases and platforms CSCwv407414 and\r\nCSCwv191712 Segment routing (IPv6 only) 7.11.21\r\n24.2.21\r\n25.2.21\r\n25.4.1 CSCwv56312 7.9.21 on 64-bit ASR 9000 Series Aggregation Services Routers CSCwv56312 7.3.2 on NCS1002 CSCwv56312 26.1.2 and 26.2.1 Not vulnerable All other releases and platforms CSCwu132685 Segment routing (IPv4 only) or\r\nSegment routing (IPv4 and IPv6) All releases and platforms CSCwv38342 TCP Authentication Option All releases and platforms CSCwv361436 Zero Touch Provisioning (ZTP) 26.2.1 Not vulnerable All other releases and platforms CSCwu36622\r\n1. Platforms that run Cisco IOS XR7 (LNT) Software include Cisco 8000 Series Routers, Cisco NCS 1010, Cisco NCS 540L Routers, and Cisco NCS 5700 Series regardless of optional features installed. To determine whether a device is running Cisco IOS XR7 (LNT) Software using the CLI, see the Vulnerable Products [\"#vp\"] section of this advisory.\r\n2. CSCwv19171 applies to both IS-IS and OSPF.\r\n3. For release train 7.10.2 only, SMU Identifier CSCwv19181 supersedes CSCwv40753. For all other release trains, SMU Identifier CSCwv40753 supersedes CSCwv19181.\r\n4. SMU Identifier CSCwv40741 supersedes CSCwv19174.\r\n5. SMU Identifier CSCwu13268 supersedes CSCwv19178.\r\n6. SMU Identifier CSCwv36143 supersedes CSCwu14817.\r\nThe Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.",
"title": "Fixed Software"
},
{
"category": "general",
"text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.\r\n\r\nFor additional information on Cisco\u0027s vulnerability management, disclosure cadence, and software patching strategy, see Cisco\u0027s Transition to a Risk-Based Vulnerability Disclosure Model [\"https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure\"].",
"title": "Vulnerability Policy"
},
{
"category": "general",
"text": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.",
"title": "Exploitation and Public Announcements"
},
{
"category": "general",
"text": "These vulnerabilities were found during internal security testing using existing testing processes as well as frontier AI models.",
"title": "Source"
},
{
"category": "legal_disclaimer",
"text": "SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT\r\n\r\nThe Cisco Support and Downloads [\"https://www.cisco.com/c/en/us/support/index.html\"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid.\r\n\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories [\"https://www.cisco.com/go/psirt\"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"] or their contracted maintenance providers.\r\nLEGAL DISCLAIMER DETAILS\r\n\r\nCISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nCopies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories [\"https://www.cisco.com/go/psirt\"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] for more information.",
"title": "Legal Disclaimer"
}
],
"publisher": {
"category": "vendor",
"contact_details": "psirt@cisco.com",
"issuing_authority": "Cisco PSIRT",
"name": "Cisco",
"namespace": "https://wwww.cisco.com"
},
"references": [
{
"category": "self",
"summary": "Cisco IOS XR Software Security Hardening Release: September 2026",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxr-qg64NcM"
},
{
"category": "external",
"summary": "Cisco Security Vulnerability Policy",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
},
{
"category": "external",
"summary": "Download SMUs from Cisco.com",
"url": "https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xr-software/116332-maintain-ios-xr-smu-00.html#toc-hId-972485609"
},
{
"category": "external",
"summary": "Security Vulnerability Policy",
"url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
},
{
"category": "external",
"summary": "Cisco\u0027s Transition to a Risk-Based Vulnerability Disclosure Model",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure"
},
{
"category": "external",
"summary": "Cisco Support and Downloads",
"url": "https://www.cisco.com/c/en/us/support/index.html"
},
{
"category": "external",
"summary": "Cisco Technical Assistance Center (TAC)",
"url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
},
{
"category": "external",
"summary": "considering software upgrades",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
},
{
"category": "external",
"summary": "the advisories",
"url": "https://www.cisco.com/go/psirt"
}
],
"title": "Cisco IOS XR Software Security Hardening Release: September 2026",
"tracking": {
"current_release_date": "2026-09-17T21:13:28+00:00",
"generator": {
"date": "2026-09-17T21:13:34+00:00",
"engine": {
"name": "TVCE"
}
},
"id": "cisco-sa-hardening-iosxr-qg64NcM",
"initial_release_date": "2026-09-02T16:00:00+00:00",
"revision_history": [
{
"date": "2026-09-02T15:54:01+00:00",
"number": "1.0.0",
"summary": "Initial public release."
},
{
"date": "2026-09-02T21:53:32+00:00",
"number": "1.1.0",
"summary": "Removed end-of-life software."
},
{
"date": "2026-09-03T18:53:30+00:00",
"number": "1.2.0",
"summary": "Updated to specify optical platforms and clarify MPLS SMUs."
},
{
"date": "2026-09-04T18:57:23+00:00",
"number": "1.3.0",
"summary": "Updated superseded SMUs. Clarified SMUs for releases 26.1.2 and 26.2.1"
},
{
"date": "2026-09-08T19:19:57+00:00",
"number": "1.4.0",
"summary": "Updated superseded SMUs for MPLS-TE."
},
{
"date": "2026-09-09T16:32:49+00:00",
"number": "1.5.0",
"summary": "Updated SMUs for MPLS-TE and marked SMUs for Release 24.3.2 as released."
},
{
"date": "2026-09-10T13:45:12+00:00",
"number": "1.6.0",
"summary": "Marked SMUs for Release 25.2.2 as released."
},
{
"date": "2026-09-11T15:53:35+00:00",
"number": "2.0.0",
"summary": "Updated availability of fixed releases 26.2.2 and 26.3.1."
},
{
"date": "2026-09-15T14:55:18+00:00",
"number": "2.1.0",
"summary": "Marked SMUs for Release 25.1.2 as released."
},
{
"date": "2026-09-17T21:13:28+00:00",
"number": "2.2.0",
"summary": "Marked SMUs for Release 24.1.2 as released."
}
],
"status": "final",
"version": "2.2.0"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"branches": [
{
"category": "service_pack",
"name": "3.0.0",
"product": {
"name": "3.0.0",
"product_id": "CSAFPID-49253"
}
},
{
"category": "service_pack",
"name": "3.0.1",
"product": {
"name": "3.0.1",
"product_id": "CSAFPID-50213"
}
}
],
"category": "product_version",
"name": "3.0"
},
{
"branches": [
{
"category": "service_pack",
"name": "2.0.0",
"product": {
"name": "2.0.0",
"product_id": "CSAFPID-49254"
}
}
],
"category": "product_version",
"name": "2.0"
},
{
"branches": [
{
"category": "service_pack",
"name": "3.2.0",
"product": {
"name": "3.2.0",
"product_id": "CSAFPID-52926"
}
},
{
"category": "service_pack",
"name": "3.2.3",
"product": {
"name": "3.2.3",
"product_id": "CSAFPID-57574"
}
},
{
"category": "service_pack",
"name": "3.2.2",
"product": {
"name": "3.2.2",
"product_id": "CSAFPID-57575"
}
},
{
"category": "service_pack",
"name": "3.2.1",
"product": {
"name": "3.2.1",
"product_id": "CSAFPID-57576"
}
},
{
"category": "service_pack",
"name": "3.2.4",
"product": {
"name": "3.2.4",
"product_id": "CSAFPID-57577"
}
},
{
"category": "service_pack",
"name": "3.2.50",
"product": {
"name": "3.2.50",
"product_id": "CSAFPID-57606"
}
},
{
"category": "service_pack",
"name": "3.2.6",
"product": {
"name": "3.2.6",
"product_id": "CSAFPID-66349"
}
}
],
"category": "product_version",
"name": "3.2"
},
{
"branches": [
{
"category": "service_pack",
"name": "3.3.0",
"product": {
"name": "3.3.0",
"product_id": "CSAFPID-62627"
}
},
{
"category": "service_pack",
"name": "3.3.4",
"product": {
"name": "3.3.4",
"product_id": "CSAFPID-66336"
}
},
{
"category": "service_pack",
"name": "3.3.3",
"product": {
"name": "3.3.3",
"product_id": "CSAFPID-66337"
}
},
{
"category": "service_pack",
"name": "3.3.2",
"product": {
"name": "3.3.2",
"product_id": "CSAFPID-66338"
}
},
{
"category": "service_pack",
"name": "3.3.1",
"product": {
"name": "3.3.1",
"product_id": "CSAFPID-66339"
}
}
],
"category": "product_version",
"name": "3.3"
},
{
"branches": [
{
"category": "service_pack",
"name": "3.4.0",
"product": {
"name": "3.4.0",
"product_id": "CSAFPID-66329"
}
},
{
"category": "service_pack",
"name": "3.4.1",
"product": {
"name": "3.4.1",
"product_id": "CSAFPID-66335"
}
},
{
"category": "service_pack",
"name": "3.4.2",
"product": {
"name": "3.4.2",
"product_id": "CSAFPID-69871"
}
},
{
"category": "service_pack",
"name": "3.4.3",
"product": {
"name": "3.4.3",
"product_id": "CSAFPID-93240"
}
}
],
"category": "product_version",
"name": "3.4"
},
{
"branches": [
{
"category": "service_pack",
"name": "3.5.0",
"product": {
"name": "3.5.0",
"product_id": "CSAFPID-66330"
}
},
{
"category": "service_pack",
"name": "3.5.2",
"product": {
"name": "3.5.2",
"product_id": "CSAFPID-93241"
}
},
{
"category": "service_pack",
"name": "3.5.3",
"product": {
"name": "3.5.3",
"product_id": "CSAFPID-93242"
}
},
{
"category": "service_pack",
"name": "3.5.4",
"product": {
"name": "3.5.4",
"product_id": "CSAFPID-93243"
}
}
],
"category": "product_version",
"name": "3.5"
},
{
"branches": [
{
"category": "service_pack",
"name": "Base",
"product": {
"name": "Base",
"product_id": "CSAFPID-93234"
}
},
{
"category": "service_pack",
"name": "3.6.1",
"product": {
"name": "3.6.1",
"product_id": "CSAFPID-93235"
}
},
{
"category": "service_pack",
"name": "3.6.2",
"product": {
"name": "3.6.2",
"product_id": "CSAFPID-93236"
}
},
{
"category": "service_pack",
"name": "3.6.3",
"product": {
"name": "3.6.3",
"product_id": "CSAFPID-93244"
}
},
{
"category": "service_pack",
"name": "3.6.0",
"product": {
"name": "3.6.0",
"product_id": "CSAFPID-214017"
}
}
],
"category": "product_version",
"name": "3.6"
},
{
"branches": [
{
"category": "service_pack",
"name": "Base",
"product": {
"name": "Base",
"product_id": "CSAFPID-93238"
}
},
{
"category": "service_pack",
"name": "3.7.1",
"product": {
"name": "3.7.1",
"product_id": "CSAFPID-93239"
}
},
{
"category": "service_pack",
"name": "3.7.2",
"product": {
"name": "3.7.2",
"product_id": "CSAFPID-93245"
}
},
{
"category": "service_pack",
"name": "3.7.3",
"product": {
"name": "3.7.3",
"product_id": "CSAFPID-93246"
}
},
{
"category": "service_pack",
"name": "3.7.0",
"product": {
"name": "3.7.0",
"product_id": "CSAFPID-214016"
}
}
],
"category": "product_version",
"name": "3.7"
},
{
"branches": [
{
"category": "service_pack",
"name": "3.8.0",
"product": {
"name": "3.8.0",
"product_id": "CSAFPID-93248"
}
},
{
"category": "service_pack",
"name": "3.8.1",
"product": {
"name": "3.8.1",
"product_id": "CSAFPID-93249"
}
},
{
"category": "service_pack",
"name": "3.8.2",
"product": {
"name": "3.8.2",
"product_id": "CSAFPID-100571"
}
},
{
"category": "service_pack",
"name": "3.8.3",
"product": {
"name": "3.8.3",
"product_id": "CSAFPID-100572"
}
},
{
"category": "service_pack",
"name": "3.8.4",
"product": {
"name": "3.8.4",
"product_id": "CSAFPID-100573"
}
}
],
"category": "product_version",
"name": "3.8"
},
{
"branches": [
{
"category": "service_pack",
"name": "3.9.0",
"product": {
"name": "3.9.0",
"product_id": "CSAFPID-100569"
}
},
{
"category": "service_pack",
"name": "3.9.1",
"product": {
"name": "3.9.1",
"product_id": "CSAFPID-100570"
}
},
{
"category": "service_pack",
"name": "3.9.2",
"product": {
"name": "3.9.2",
"product_id": "CSAFPID-109761"
}
},
{
"category": "service_pack",
"name": "3.9.3",
"product": {
"name": "3.9.3",
"product_id": "CSAFPID-195435"
}
}
],
"category": "product_version",
"name": "3.9"
},
{
"branches": [
{
"category": "service_pack",
"name": "Base",
"product": {
"name": "Base",
"product_id": "CSAFPID-109763"
}
},
{
"category": "service_pack",
"name": "4.0.1",
"product": {
"name": "4.0.1",
"product_id": "CSAFPID-109764"
}
},
{
"category": "service_pack",
"name": "4.0.2",
"product": {
"name": "4.0.2",
"product_id": "CSAFPID-109765"
}
},
{
"category": "service_pack",
"name": "4.0.0",
"product": {
"name": "4.0.0",
"product_id": "CSAFPID-109768"
}
},
{
"category": "service_pack",
"name": "4.0.3",
"product": {
"name": "4.0.3",
"product_id": "CSAFPID-116017"
}
},
{
"category": "service_pack",
"name": "4.0.4",
"product": {
"name": "4.0.4",
"product_id": "CSAFPID-116081"
}
},
{
"category": "service_pack",
"name": "4.0.11",
"product": {
"name": "4.0.11",
"product_id": "CSAFPID-183715"
}
}
],
"category": "product_version",
"name": "4.0"
},
{
"branches": [
{
"category": "service_pack",
"name": "Base",
"product": {
"name": "Base",
"product_id": "CSAFPID-109767"
}
},
{
"category": "service_pack",
"name": "4.1.0",
"product": {
"name": "4.1.0",
"product_id": "CSAFPID-109769"
}
},
{
"category": "service_pack",
"name": "4.1.1",
"product": {
"name": "4.1.1",
"product_id": "CSAFPID-116015"
}
},
{
"category": "service_pack",
"name": "4.1.2",
"product": {
"name": "4.1.2",
"product_id": "CSAFPID-116016"
}
}
],
"category": "product_version",
"name": "4.1"
},
{
"branches": [
{
"category": "service_pack",
"name": "4.2.0",
"product": {
"name": "4.2.0",
"product_id": "CSAFPID-116014"
}
},
{
"category": "service_pack",
"name": "4.2.1",
"product": {
"name": "4.2.1",
"product_id": "CSAFPID-185106"
}
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],
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],
"category": "vendor",
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]
},
"vulnerabilities": [
{
"cve": "CVE-2026-20277",
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
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},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
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"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.2,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
"version": "3.1"
},
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"CSAFPID-93241",
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"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
}
],
"title": "Cisco IOS XR Software Security Hardening Release: September 2026"
},
{
"cve": "CVE-2026-20276",
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
"CSAFPID-116016",
"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
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"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
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"CSAFPID-212491",
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"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
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"CSAFPID-279068",
"CSAFPID-279069",
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]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
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],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.6,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
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"CSAFPID-279097",
"CSAFPID-279098",
"CSAFPID-279099",
"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
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"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
"CSAFPID-295428",
"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
}
],
"title": "Cisco IOS XR Software Security Hardening Release: September 2026"
},
{
"cve": "CVE-2026-20279",
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
"CSAFPID-116016",
"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
"CSAFPID-212491",
"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
"CSAFPID-235773",
"CSAFPID-235774",
"CSAFPID-258125",
"CSAFPID-258126",
"CSAFPID-258127",
"CSAFPID-258129",
"CSAFPID-258130",
"CSAFPID-258131",
"CSAFPID-259880",
"CSAFPID-265032",
"CSAFPID-265033",
"CSAFPID-265034",
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"CSAFPID-265376",
"CSAFPID-273353",
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"CSAFPID-273358",
"CSAFPID-275539",
"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
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"CSAFPID-279094",
"CSAFPID-279095",
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"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
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"CSAFPID-280466",
"CSAFPID-280467",
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"CSAFPID-280725",
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"CSAFPID-281587",
"CSAFPID-283760",
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"CSAFPID-284177",
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"CSAFPID-284294",
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"CSAFPID-285317",
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"CSAFPID-289279",
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"CSAFPID-301633",
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"CSAFPID-301755",
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"CSAFPID-303040",
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"CSAFPID-308917",
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"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
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"CSAFPID-93245",
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"CSAFPID-93248",
"CSAFPID-93249"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
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"CSAFPID-227839",
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"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
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"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
"CSAFPID-212491",
"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
"CSAFPID-235773",
"CSAFPID-235774",
"CSAFPID-258125",
"CSAFPID-258126",
"CSAFPID-258127",
"CSAFPID-258129",
"CSAFPID-258130",
"CSAFPID-258131",
"CSAFPID-259880",
"CSAFPID-265032",
"CSAFPID-265033",
"CSAFPID-265034",
"CSAFPID-265035",
"CSAFPID-265376",
"CSAFPID-273353",
"CSAFPID-273354",
"CSAFPID-273355",
"CSAFPID-273357",
"CSAFPID-273358",
"CSAFPID-275539",
"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
"CSAFPID-279099",
"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
"CSAFPID-295428",
"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
}
],
"title": "Cisco IOS XR Software Security Hardening Release: September 2026"
},
{
"cve": "CVE-2026-20278",
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
"CSAFPID-116016",
"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
"CSAFPID-212491",
"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
"CSAFPID-235773",
"CSAFPID-235774",
"CSAFPID-258125",
"CSAFPID-258126",
"CSAFPID-258127",
"CSAFPID-258129",
"CSAFPID-258130",
"CSAFPID-258131",
"CSAFPID-259880",
"CSAFPID-265032",
"CSAFPID-265033",
"CSAFPID-265034",
"CSAFPID-265035",
"CSAFPID-265376",
"CSAFPID-273353",
"CSAFPID-273354",
"CSAFPID-273355",
"CSAFPID-273357",
"CSAFPID-273358",
"CSAFPID-275539",
"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
"CSAFPID-279099",
"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
"CSAFPID-295428",
"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
"CSAFPID-116016",
"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
"CSAFPID-212491",
"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
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"CSAFPID-235774",
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"CSAFPID-258130",
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"CSAFPID-259880",
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"CSAFPID-265034",
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"CSAFPID-265376",
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"CSAFPID-273358",
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"CSAFPID-277941",
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"CSAFPID-279061",
"CSAFPID-279062",
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"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
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"CSAFPID-279075",
"CSAFPID-279076",
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"CSAFPID-279078",
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"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
"CSAFPID-279099",
"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
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"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
"CSAFPID-295428",
"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
"CSAFPID-116016",
"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
"CSAFPID-212491",
"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
"CSAFPID-235773",
"CSAFPID-235774",
"CSAFPID-258125",
"CSAFPID-258126",
"CSAFPID-258127",
"CSAFPID-258129",
"CSAFPID-258130",
"CSAFPID-258131",
"CSAFPID-259880",
"CSAFPID-265032",
"CSAFPID-265033",
"CSAFPID-265034",
"CSAFPID-265035",
"CSAFPID-265376",
"CSAFPID-273353",
"CSAFPID-273354",
"CSAFPID-273355",
"CSAFPID-273357",
"CSAFPID-273358",
"CSAFPID-275539",
"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
"CSAFPID-279099",
"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
"CSAFPID-295428",
"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
}
],
"title": "Cisco IOS XR Software Security Hardening Release: September 2026"
},
{
"cve": "CVE-2026-20275",
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
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"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
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"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
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"CSAFPID-195435",
"CSAFPID-195582",
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"CSAFPID-206860",
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"CSAFPID-216745",
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"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
"CSAFPID-235773",
"CSAFPID-235774",
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"CSAFPID-258126",
"CSAFPID-258127",
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"CSAFPID-258130",
"CSAFPID-258131",
"CSAFPID-259880",
"CSAFPID-265032",
"CSAFPID-265033",
"CSAFPID-265034",
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"CSAFPID-265376",
"CSAFPID-273353",
"CSAFPID-273354",
"CSAFPID-273355",
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"CSAFPID-273358",
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"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
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"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
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"CSAFPID-279660",
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"CSAFPID-279662",
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"CSAFPID-286933",
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"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
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"CSAFPID-306593",
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"CSAFPID-306913",
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"CSAFPID-307310",
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"CSAFPID-308584",
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"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
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"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
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"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
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"CSAFPID-109763",
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"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
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"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
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"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
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"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
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"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
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"CSAFPID-235774",
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"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
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"CSAFPID-279060",
"CSAFPID-279061",
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"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
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"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
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"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
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"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
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"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
"CSAFPID-212491",
"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
"CSAFPID-235773",
"CSAFPID-235774",
"CSAFPID-258125",
"CSAFPID-258126",
"CSAFPID-258127",
"CSAFPID-258129",
"CSAFPID-258130",
"CSAFPID-258131",
"CSAFPID-259880",
"CSAFPID-265032",
"CSAFPID-265033",
"CSAFPID-265034",
"CSAFPID-265035",
"CSAFPID-265376",
"CSAFPID-273353",
"CSAFPID-273354",
"CSAFPID-273355",
"CSAFPID-273357",
"CSAFPID-273358",
"CSAFPID-275539",
"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
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"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
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"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
}
],
"title": "Cisco IOS XR Software Security Hardening Release: September 2026"
},
{
"cve": "CVE-2026-20274",
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
"CSAFPID-116016",
"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
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"CSAFPID-235768",
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"CSAFPID-235770",
"CSAFPID-235772",
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"CSAFPID-265376",
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"CSAFPID-273354",
"CSAFPID-273355",
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"CSAFPID-273358",
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"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
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"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
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"CSAFPID-279070",
"CSAFPID-279071",
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"CSAFPID-279073",
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"CSAFPID-279076",
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"CSAFPID-279078",
"CSAFPID-279080",
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"CSAFPID-279086",
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"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
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]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
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],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"CSAFPID-227638",
"CSAFPID-227639",
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"CSAFPID-303181",
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"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
}
],
"title": "Cisco IOS XR Software Security Hardening Release: September 2026"
},
{
"cve": "CVE-2026-20280",
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
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"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
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"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
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"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
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"CSAFPID-206860",
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"CSAFPID-235359",
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"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
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"CSAFPID-273353",
"CSAFPID-273354",
"CSAFPID-273355",
"CSAFPID-273357",
"CSAFPID-273358",
"CSAFPID-275539",
"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
"CSAFPID-279099",
"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
"CSAFPID-295428",
"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
"CSAFPID-116016",
"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
"CSAFPID-212491",
"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
"CSAFPID-235773",
"CSAFPID-235774",
"CSAFPID-258125",
"CSAFPID-258126",
"CSAFPID-258127",
"CSAFPID-258129",
"CSAFPID-258130",
"CSAFPID-258131",
"CSAFPID-259880",
"CSAFPID-265032",
"CSAFPID-265033",
"CSAFPID-265034",
"CSAFPID-265035",
"CSAFPID-265376",
"CSAFPID-273353",
"CSAFPID-273354",
"CSAFPID-273355",
"CSAFPID-273357",
"CSAFPID-273358",
"CSAFPID-275539",
"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
"CSAFPID-279099",
"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
"CSAFPID-295428",
"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"CSAFPID-100569",
"CSAFPID-100570",
"CSAFPID-100571",
"CSAFPID-100572",
"CSAFPID-100573",
"CSAFPID-109761",
"CSAFPID-109763",
"CSAFPID-109764",
"CSAFPID-109765",
"CSAFPID-109767",
"CSAFPID-109768",
"CSAFPID-109769",
"CSAFPID-116014",
"CSAFPID-116015",
"CSAFPID-116016",
"CSAFPID-116017",
"CSAFPID-116081",
"CSAFPID-183715",
"CSAFPID-185106",
"CSAFPID-185107",
"CSAFPID-191719",
"CSAFPID-191720",
"CSAFPID-191721",
"CSAFPID-194335",
"CSAFPID-194336",
"CSAFPID-195435",
"CSAFPID-195582",
"CSAFPID-206847",
"CSAFPID-206855",
"CSAFPID-206856",
"CSAFPID-206857",
"CSAFPID-206858",
"CSAFPID-206860",
"CSAFPID-206861",
"CSAFPID-206862",
"CSAFPID-206864",
"CSAFPID-208334",
"CSAFPID-208435",
"CSAFPID-212490",
"CSAFPID-212491",
"CSAFPID-212493",
"CSAFPID-212494",
"CSAFPID-214016",
"CSAFPID-214017",
"CSAFPID-214175",
"CSAFPID-214176",
"CSAFPID-214177",
"CSAFPID-216744",
"CSAFPID-216745",
"CSAFPID-216746",
"CSAFPID-220668",
"CSAFPID-220669",
"CSAFPID-225902",
"CSAFPID-225903",
"CSAFPID-227637",
"CSAFPID-227638",
"CSAFPID-227639",
"CSAFPID-227838",
"CSAFPID-227839",
"CSAFPID-232669",
"CSAFPID-232670",
"CSAFPID-234277",
"CSAFPID-234278",
"CSAFPID-235359",
"CSAFPID-235413",
"CSAFPID-235768",
"CSAFPID-235769",
"CSAFPID-235770",
"CSAFPID-235772",
"CSAFPID-235773",
"CSAFPID-235774",
"CSAFPID-258125",
"CSAFPID-258126",
"CSAFPID-258127",
"CSAFPID-258129",
"CSAFPID-258130",
"CSAFPID-258131",
"CSAFPID-259880",
"CSAFPID-265032",
"CSAFPID-265033",
"CSAFPID-265034",
"CSAFPID-265035",
"CSAFPID-265376",
"CSAFPID-273353",
"CSAFPID-273354",
"CSAFPID-273355",
"CSAFPID-273357",
"CSAFPID-273358",
"CSAFPID-275539",
"CSAFPID-277940",
"CSAFPID-277941",
"CSAFPID-277942",
"CSAFPID-277943",
"CSAFPID-277944",
"CSAFPID-279053",
"CSAFPID-279054",
"CSAFPID-279055",
"CSAFPID-279057",
"CSAFPID-279058",
"CSAFPID-279059",
"CSAFPID-279060",
"CSAFPID-279061",
"CSAFPID-279062",
"CSAFPID-279063",
"CSAFPID-279064",
"CSAFPID-279065",
"CSAFPID-279066",
"CSAFPID-279067",
"CSAFPID-279068",
"CSAFPID-279069",
"CSAFPID-279070",
"CSAFPID-279071",
"CSAFPID-279072",
"CSAFPID-279073",
"CSAFPID-279074",
"CSAFPID-279075",
"CSAFPID-279076",
"CSAFPID-279077",
"CSAFPID-279078",
"CSAFPID-279080",
"CSAFPID-279081",
"CSAFPID-279084",
"CSAFPID-279085",
"CSAFPID-279086",
"CSAFPID-279087",
"CSAFPID-279088",
"CSAFPID-279089",
"CSAFPID-279090",
"CSAFPID-279091",
"CSAFPID-279092",
"CSAFPID-279093",
"CSAFPID-279094",
"CSAFPID-279095",
"CSAFPID-279097",
"CSAFPID-279098",
"CSAFPID-279099",
"CSAFPID-279659",
"CSAFPID-279660",
"CSAFPID-279661",
"CSAFPID-279662",
"CSAFPID-280064",
"CSAFPID-280466",
"CSAFPID-280467",
"CSAFPID-280468",
"CSAFPID-280725",
"CSAFPID-280927",
"CSAFPID-280928",
"CSAFPID-280930",
"CSAFPID-280998",
"CSAFPID-281587",
"CSAFPID-283760",
"CSAFPID-284174",
"CSAFPID-284177",
"CSAFPID-284181",
"CSAFPID-284294",
"CSAFPID-285081",
"CSAFPID-285317",
"CSAFPID-286231",
"CSAFPID-286233",
"CSAFPID-286933",
"CSAFPID-286935",
"CSAFPID-286936",
"CSAFPID-286937",
"CSAFPID-286938",
"CSAFPID-288225",
"CSAFPID-289278",
"CSAFPID-289279",
"CSAFPID-290594",
"CSAFPID-292356",
"CSAFPID-292468",
"CSAFPID-292469",
"CSAFPID-292470",
"CSAFPID-292616",
"CSAFPID-292627",
"CSAFPID-292630",
"CSAFPID-292647",
"CSAFPID-295140",
"CSAFPID-295299",
"CSAFPID-295300",
"CSAFPID-295427",
"CSAFPID-295428",
"CSAFPID-299960",
"CSAFPID-299961",
"CSAFPID-300271",
"CSAFPID-300320",
"CSAFPID-301094",
"CSAFPID-301095",
"CSAFPID-301096",
"CSAFPID-301097",
"CSAFPID-301161",
"CSAFPID-301214",
"CSAFPID-301293",
"CSAFPID-301633",
"CSAFPID-301751",
"CSAFPID-301755",
"CSAFPID-302641",
"CSAFPID-302846",
"CSAFPID-302908",
"CSAFPID-302909",
"CSAFPID-303040",
"CSAFPID-303152",
"CSAFPID-303153",
"CSAFPID-303160",
"CSAFPID-303181",
"CSAFPID-303186",
"CSAFPID-303354",
"CSAFPID-303450",
"CSAFPID-303468",
"CSAFPID-304015",
"CSAFPID-305305",
"CSAFPID-306396",
"CSAFPID-306451",
"CSAFPID-306459",
"CSAFPID-306460",
"CSAFPID-306593",
"CSAFPID-306594",
"CSAFPID-306628",
"CSAFPID-306634",
"CSAFPID-306874",
"CSAFPID-306913",
"CSAFPID-306914",
"CSAFPID-307029",
"CSAFPID-307052",
"CSAFPID-307104",
"CSAFPID-307310",
"CSAFPID-308580",
"CSAFPID-308584",
"CSAFPID-308682",
"CSAFPID-308808",
"CSAFPID-308917",
"CSAFPID-308958",
"CSAFPID-49253",
"CSAFPID-49254",
"CSAFPID-50213",
"CSAFPID-52926",
"CSAFPID-57574",
"CSAFPID-57575",
"CSAFPID-57576",
"CSAFPID-57577",
"CSAFPID-57606",
"CSAFPID-5834",
"CSAFPID-62627",
"CSAFPID-66329",
"CSAFPID-66330",
"CSAFPID-66335",
"CSAFPID-66336",
"CSAFPID-66337",
"CSAFPID-66338",
"CSAFPID-66339",
"CSAFPID-66349",
"CSAFPID-69871",
"CSAFPID-93234",
"CSAFPID-93235",
"CSAFPID-93236",
"CSAFPID-93238",
"CSAFPID-93239",
"CSAFPID-93240",
"CSAFPID-93241",
"CSAFPID-93242",
"CSAFPID-93243",
"CSAFPID-93244",
"CSAFPID-93245",
"CSAFPID-93246",
"CSAFPID-93248",
"CSAFPID-93249"
]
}
],
"title": "Cisco IOS XR Software Security Hardening Release: September 2026"
}
]
}
Loading…
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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