Vulnerability-Lookup

CVE-2019-1740 (GCVE-0-2019-1740)

Vulnerability from cvelistv5 – Published: 2019-03-27 23:25 – Updated: 2024-11-19 19:13

Title

Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities

Summary

A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability are due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

Severity ?

8.6 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWE

CWE-20

Assigner

cisco

References

URL

	Vendor	Product	Version
	Cisco	Cisco IOS and Cisco IOS-XE Software	Affected: 3.16.0S Affected: 3.16.1S Affected: 3.16.0aS Affected: 3.16.1aS Affected: 3.16.2S Affected: 3.16.2aS Affected: 3.16.0bS Affected: 3.16.0cS Affected: 3.16.3S Affected: 3.16.2bS Affected: 3.16.3aS Affected: 3.16.4S Affected: 3.16.4aS Affected: 3.16.4bS Affected: 3.16.4gS Affected: 3.16.5S Affected: 3.16.4cS Affected: 3.16.4dS Affected: 3.16.4eS Affected: 3.16.5aS Affected: 3.17.0S Affected: 3.17.1S Affected: 3.17.2S Affected: 3.17.1aS Affected: 3.17.3S Affected: 3.17.4S Affected: 3.2.0JA Affected: 16.2.1 Affected: 16.2.2 Affected: 16.3.1 Affected: 16.3.2 Affected: 16.3.3 Affected: 16.3.1a Affected: 16.3.4 Affected: 16.4.1 Affected: 16.4.2 Affected: 16.4.3 Affected: 16.5.1 Affected: 16.5.1a Affected: 16.5.1b Affected: 3.18.0aS Affected: 3.18.0S Affected: 3.18.1S Affected: 3.18.2S Affected: 3.18.3S Affected: 3.18.4S Affected: 3.18.0SP Affected: 3.18.1SP Affected: 3.18.1aSP Affected: 3.18.1gSP Affected: 3.18.1bSP Affected: 3.18.1cSP Affected: 3.18.2SP Affected: 3.18.1hSP Affected: 3.18.2aSP Affected: 3.18.1iSP

GSD-2019-1740

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

Aliases

CVE-2019-1740

Aliases

CVE-2019-1740

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2019-1740",
    "description": "A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability are due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.",
    "id": "GSD-2019-1740"
  },
  "gsd": {
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      "remediation": "unknown",
      "reportConfidence": "confirmed",
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      "id": "GSD-2019-1740",
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      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "ID": "CVE-2019-1740"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability are due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20190327 Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities",
              "refsource": "CISCO",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar"
            },
            {
              "name": "107597",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/107597"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.8,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.0
        }
      },
      "lastModifiedDate": "2022-03-18T19:40Z",
      "publishedDate": "2019-03-28T00:29Z"
    }
  }
}

CNVD-2019-08718

Vulnerability from cnvd - Published: 2019-03-29

Title

Cisco IOS和IOS XE输入验证漏洞（CNVD-2019-08718）

Description

Cisco IOS和IOS XE都是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS和IOS XE中的Network-Based Application Recognition (NBAR)功能存在输入验证漏洞，该漏洞源于程序存在解析问题，远程攻击者可通过发送特制的DNS数据包利用该漏洞造成受影响的设备重新加载，导致拒绝服务。

Severity

高

Patch Name

Cisco IOS和IOS XE输入验证漏洞（CNVD-2019-08718）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar

Impacted products

Name
['Cisco IOS XE', 'Cisco IOS']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-1740"
    }
  },
  "description": "Cisco IOS\u548cIOS XE\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCisco IOS\u548cIOS XE\u4e2d\u7684Network-Based Application Recognition (NBAR)\u529f\u80fd\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5b58\u5728\u89e3\u6790\u95ee\u9898\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684DNS\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u91cd\u65b0\u52a0\u8f7d\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-08718",
  "openTime": "2019-03-29",
  "patchDescription": "Cisco IOS\u548cIOS XE\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS\u548cIOS XE\u4e2d\u7684Network-Based Application Recognition (NBAR)\u529f\u80fd\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5b58\u5728\u89e3\u6790\u95ee\u9898\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684DNS\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u91cd\u65b0\u52a0\u8f7d\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Cisco IOS\u548cIOS XE\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff08CNVD-2019-08718\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS XE",
      "Cisco IOS"
    ]
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar",
  "serverity": "\u9ad8",
  "submitTime": "2019-03-28",
  "title": "Cisco IOS\u548cIOS XE\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff08CNVD-2019-08718\uff09"
}

CISCO-SA-20190327-NBAR

Vulnerability from csaf_cisco - Published: 2019-03-27 16:00 - Updated: 2019-03-27 16:00

Summary

Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities

Notes

Summary

Multiple vulnerabilities in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. These vulnerabilities are due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar"] This advisory is part of the March 27, 2019, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 17 Cisco Security Advisories that describe 19 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: March 2019 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-71135"].

Vulnerable Products

These vulnerabilities affect routers that are running vulnerable releases of Cisco IOS or IOS XE Software and have been configured for NBAR operations. For information about which Cisco IOS and IOS XE Software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory. Determining the NBAR Configuration Administrators can verify whether NBAR is in use on a device by verifying that the "show ip nbar control-plane | include NBAR state" CLI command reports the state as "ACTIVATED". If that command does not produce output, or it reports the state as "DEACTIVATED" then NBAR operation is not configured. Here is an example of a device on which NBAR is enabled: Router#show ip nbar control-plane | include NBAR state NBAR state is ACTIVATED NBAR state: ACTIVATED Here is an example of a device on which NBAR is disabled: Router#show ip nbar control-plane | include NBAR state NBAR state is DEACTIVATED NBAR state: DEACTIVATED Determining the Cisco IOS Software Release To determine which Cisco IOS Software release is running on a device, administrators can log in to the device, use the show version command in the CLI, and then refer to the system banner that appears. If the device is running Cisco IOS Software, the system banner displays text similar to Cisco Internetwork Operating System Software or Cisco IOS Software. The banner also displays the installed image name in parentheses, followed by the Cisco IOS Software release number and release name. Some Cisco devices do not support the show version command or may provide different output. The following example shows the output of the command for a device that is running Cisco IOS Software Release 15.5(2)T1 and has an installed image name of C2951-UNIVERSALK9-M: Router> show version Cisco IOS Software, C2951 Software (C2951-UNIVERSALK9-M), Version 15.5(2)T1, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2015 by Cisco Systems, Inc. Compiled Mon 22-Jun-15 09:32 by prod_rel_team . . . For information about the naming and numbering conventions for Cisco IOS Software releases, see the Cisco IOS and NX-OS Software Reference Guide ["https://www.cisco.com/c/en/us/about/security-center/ios-nx-os-reference-guide.html"]. Determining the Cisco IOS XE Software Release To determine which Cisco IOS XE Software release is running on a device, administrators can log in to the device, use the show version command in the CLI, and then refer to the system banner that appears. If the device is running Cisco IOS XE Software, the system banner displays Cisco IOS Software, Cisco IOS XE Software, or similar text. The following example shows the output of the command for a device that is running Cisco IOS XE Software Release 16.2.1 and has an installed image name of CAT3K_CAA-UNIVERSALK9-M: ios-xe-device# show version Cisco IOS Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version Denali 16.2.1, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2016 by Cisco Systems, Inc. Compiled Sun 27-Mar-16 21:47 by mcpre . . . For information about the naming and numbering conventions for Cisco IOS XE Software releases, see the Cisco IOS and NX-OS Software Reference Guide ["https://www.cisco.com/c/en/us/about/security-center/ios-nx-os-reference-guide.html"].

Products Confirmed Not Vulnerable

Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by these vulnerabilities. Cisco has confirmed that these vulnerabilities do not affect Cisco IOS XR Software or Cisco NX-OS Software.

Indicators of Compromise

A successful exploit of these vulnerabilities will cause an affected device to reload and generate a crashinfo file. A successful exploit of these vulnerabilities may be confirmed by decoding the stack trace for the device and determining whether the stack trace correlates with these vulnerabilities. Contact the Cisco Technical Assistance Center (TAC) to review the crashinfo file and determine whether the device has been compromised by exploitation of these vulnerabilities.

Workarounds

There are no workarounds that address these vulnerabilities. However, administrators can mitigate these vulnerabilities by disabling the NBAR feature for an affected device until the device is upgraded to a software release that addresses these vulnerabilities.

Fixed Software

Cisco has released free software updates that address the vulnerabilities described in this advisory. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license: https://www.cisco.com/c/en/us/products/end-user-license-agreement.html ["https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"] Additionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades. When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page ["https://www.cisco.com/go/psirt"], 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) or their contracted maintenance providers. Customers Without Service Contracts 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 TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html ["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. Cisco IOS and IOS XE Software To help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides a tool, the Cisco IOS Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"], that identifies any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (“First Fixed”). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (“Combined First Fixed”). Customers can use this tool to perform the following tasks: Initiate a search by choosing one or more releases from a drop-down list or uploading a file from a local system for the tool to parse Enter the output of the show version command for the tool to parse Create a custom search by including all previously published Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication To determine whether a release is affected by any published Cisco Security Advisory, use the Cisco IOS Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] on Cisco.com or enter a Cisco IOS or IOS XE Software release—for example, 15.1(4)M2 or 3.13.8S—in the following field: By default, the Cisco IOS Software Checker includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, use the Cisco IOS Software Checker on Cisco.com and check the Medium check box in the Impact Rating drop-down list. For a mapping of Cisco IOS XE Software releases to Cisco IOS Software releases, refer to the Cisco IOS XE 2 Release Notes ["https://www.cisco.com/c/en/us/td/docs/ios/ios_xe/2/release/notes/rnasr21/rnasr21_gen.html#wp3000032"], Cisco IOS XE 3S Release Notes ["https://www.cisco.com/c/en/us/td/docs/ios/ios_xe/3/release/notes/asr1k_rn_3s_rel_notes/asr1k_rn_3s_sys_req.html#wp3069754"], or Cisco IOS XE 3SG Release Notes ["https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/release/note/OL_24726.html#pgfId-2570252"], depending on the Cisco IOS XE Software release. Note: Starting with Cisco IOS XE Software Release 16.9.1, any upgrade will require Smart Licensing. Customers who plan to upgrade Cisco IOS XE to Release 16.9.1 or later are advised to consider the Smart Licensing requirement. The following documentation provides additional information: Smart Licensing ["https://www.cisco.com/c/en/us/products/software/smart-accounts/software-licensing.html#~stickynav=3"].

Vulnerability Policy

To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.

Exploitation and Public Announcements

The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

Source

These vulnerabilities were discovered during the resolution of a support case.

Legal Disclaimer

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. 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. A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.

JSON

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{
  "document": {
    "acknowledgments": [
      {
        "summary": "These vulnerabilities were discovered during the resolution of a support case."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "Multiple vulnerabilities in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload.  These vulnerabilities are due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.\r\n\r\nCisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.\r\n\r\n  This advisory is available at the following link:\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar\"]\r\n\r\nThis advisory is part of the March 27, 2019, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 17 Cisco Security Advisories that describe 19 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: March 2019 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-71135\"].",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "These vulnerabilities affect routers that are running vulnerable releases of Cisco IOS or IOS XE Software and have been configured for NBAR operations.\r\n\r\nFor information about which Cisco IOS and IOS XE Software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n  Determining the NBAR Configuration\r\nAdministrators can verify whether NBAR is in use on a device by verifying that the   \"show ip nbar control-plane | include NBAR state\"   CLI command reports the state as \"ACTIVATED\". If that command does not produce output, or it reports the state as \"DEACTIVATED\" then NBAR operation is not configured.\r\n\r\nHere is an example of a device on which NBAR is enabled:\r\n\r\n\r\nRouter#show ip nbar control-plane | include NBAR state\r\nNBAR state is ACTIVATED\r\nNBAR state: ACTIVATED\r\n\r\nHere is an example of a device on which NBAR is disabled:\r\n\r\n\r\nRouter#show ip nbar control-plane | include NBAR state\r\nNBAR state is DEACTIVATED\r\nNBAR state: DEACTIVATED\r\n\r\n  Determining the Cisco IOS Software Release\r\nTo determine which Cisco IOS Software release is running on a device, administrators can log in to the device, use the show version command in the CLI, and then refer to the system banner that appears. If the device is running Cisco IOS Software, the system banner displays text similar to Cisco Internetwork Operating System Software or Cisco IOS Software. The banner also displays the installed image name in parentheses, followed by the Cisco IOS Software release number and release name. Some Cisco devices do not support the show version command or may provide different output.\r\n\r\nThe following example shows the output of the command for a device that is running Cisco IOS Software Release 15.5(2)T1 and has an installed image name of C2951-UNIVERSALK9-M:\r\n\r\n\r\nRouter\u003e show version\r\n  Cisco IOS Software, C2951 Software (C2951-UNIVERSALK9-M), Version 15.5(2)T1, RELEASE SOFTWARE (fc1)  Technical Support: http://www.cisco.com/techsupport  Copyright (c) 1986-2015 by Cisco Systems, Inc.  Compiled Mon 22-Jun-15 09:32 by prod_rel_team  .  .  .\r\n\r\nFor information about the naming and numbering conventions for Cisco IOS Software releases, see the Cisco IOS and NX-OS Software Reference Guide [\"https://www.cisco.com/c/en/us/about/security-center/ios-nx-os-reference-guide.html\"].\r\n  Determining the Cisco IOS XE Software Release\r\nTo determine which Cisco IOS XE Software release is running on a device, administrators can log in to the device, use the show version command in the CLI, and then refer to the system banner that appears. If the device is running Cisco IOS XE Software, the system banner displays Cisco IOS Software, Cisco IOS XE Software, or similar text.\r\n\r\nThe following example shows the output of the command for a device that is running Cisco IOS XE Software Release 16.2.1 and has an installed image name of CAT3K_CAA-UNIVERSALK9-M:\r\n\r\n\r\nios-xe-device# show version\r\n  Cisco IOS Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version Denali 16.2.1, RELEASE SOFTWARE (fc1)  Technical Support: http://www.cisco.com/techsupport  Copyright (c) 1986-2016 by Cisco Systems, Inc.  Compiled Sun 27-Mar-16 21:47 by mcpre  .  .  .\r\n\r\nFor information about the naming and numbering conventions for Cisco IOS XE Software releases, see the Cisco IOS and NX-OS Software Reference Guide [\"https://www.cisco.com/c/en/us/about/security-center/ios-nx-os-reference-guide.html\"].",
        "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.\r\n  Cisco has confirmed that these vulnerabilities do not affect Cisco IOS XR Software or Cisco NX-OS Software.",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "A successful exploit of these vulnerabilities will cause an affected device to reload and generate a crashinfo file.\r\n\r\n  A successful exploit of these vulnerabilities may be confirmed by decoding  the stack trace for the device and determining whether the stack trace  correlates with these vulnerabilities.\r\n\r\n  Contact the Cisco Technical Assistance Center (TAC) to review the  crashinfo file and determine whether the device has been compromised by  exploitation of these vulnerabilities.",
        "title": "Indicators of Compromise"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address these vulnerabilities. However, administrators can mitigate these vulnerabilities by disabling the NBAR feature for an affected device until the device is upgraded to a software release that addresses these vulnerabilities.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "Cisco has released free software updates that address the vulnerabilities described in this advisory. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:\r\nhttps://www.cisco.com/c/en/us/products/end-user-license-agreement.html [\"https://www.cisco.com/c/en/us/products/end-user-license-agreement.html\"]\r\n\r\nAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.\r\n\r\nWhen considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn 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) or their contracted maintenance providers.\r\n  Customers Without Service Contracts\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 TAC:\r\nhttps://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]\r\n\r\nCustomers 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                          Cisco IOS and IOS XE Software\r\nTo help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides a tool, the Cisco IOS Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"], that identifies any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (\u201cFirst Fixed\u201d). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (\u201cCombined First Fixed\u201d).\r\n\r\nCustomers can use this tool to perform the following tasks:\r\n\r\nInitiate a search by choosing one or more releases from a drop-down list or uploading a file from a local system for the tool to parse\r\nEnter the output of the show version command for the tool to parse\r\nCreate a custom search by including all previously published Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication\r\n\r\nTo determine whether a release is affected by any published Cisco Security Advisory, use the Cisco IOS Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] on Cisco.com or enter a Cisco IOS or IOS XE Software release\u2014for example, 15.1(4)M2 or 3.13.8S\u2014in the following field:\r\n\r\n\r\n\r\nBy default, the Cisco IOS Software Checker includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, use the Cisco IOS Software Checker on Cisco.com and check the Medium check box in the Impact Rating drop-down list.\r\n\r\nFor a mapping of Cisco IOS XE Software releases to Cisco IOS Software releases, refer to the Cisco IOS XE 2 Release Notes [\"https://www.cisco.com/c/en/us/td/docs/ios/ios_xe/2/release/notes/rnasr21/rnasr21_gen.html#wp3000032\"], Cisco IOS XE 3S Release Notes [\"https://www.cisco.com/c/en/us/td/docs/ios/ios_xe/3/release/notes/asr1k_rn_3s_rel_notes/asr1k_rn_3s_sys_req.html#wp3069754\"], or Cisco IOS XE 3SG Release Notes [\"https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/release/note/OL_24726.html#pgfId-2570252\"], depending on the Cisco IOS XE Software release.\r\nNote: Starting with Cisco IOS XE Software Release 16.9.1, any upgrade will require Smart Licensing. Customers who plan to upgrade Cisco IOS XE to Release 16.9.1 or later are advised to consider the Smart Licensing requirement. The following documentation provides additional information: Smart Licensing [\"https://www.cisco.com/c/en/us/products/software/smart-accounts/software-licensing.html#~stickynav=3\"].",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco Product Security Incident Response Team (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 discovered during the resolution of a support case.",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. 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\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "Emergency Support:\r\n+1 877 228 7302 (toll-free within North America)\r\n+1 408 525 6532 (International direct-dial)\r\nNon-emergency Support:\r\nEmail: psirt@cisco.com\r\nSupport requests that are received via e-mail are typically acknowledged within 48 hours.",
      "issuing_authority": "Cisco product security incident response is the responsibility of the Cisco Product Security Incident Response Team (PSIRT). The Cisco PSIRT is a dedicated, global team that manages the receipt, investigation, and public reporting of security vulnerability information that is related to Cisco products and networks. The on-call Cisco PSIRT works 24x7 with Cisco customers, independent security researchers, consultants, industry organizations, and other vendors to identify possible security issues with Cisco products and networks.\r\nMore information can be found in Cisco Security Vulnerability Policy available at https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar"
      },
      {
        "category": "external",
        "summary": "Cisco Event Response: March 2019 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication",
        "url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-71135"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar"
      },
      {
        "category": "external",
        "summary": "Cisco Event Response: March 2019 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication",
        "url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-71135"
      },
      {
        "category": "external",
        "summary": "Cisco IOS and NX-OS Software Reference Guide",
        "url": "https://www.cisco.com/c/en/us/about/security-center/ios-nx-os-reference-guide.html"
      },
      {
        "category": "external",
        "summary": "Cisco IOS and NX-OS Software Reference Guide",
        "url": "https://www.cisco.com/c/en/us/about/security-center/ios-nx-os-reference-guide.html"
      },
      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html",
        "url": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"
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      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html",
        "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
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      {
        "category": "external",
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        "url": "https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"
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      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;IOS Software Checker",
        "url": "https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"
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      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;IOS XE 2 Release Notes",
        "url": "https://www.cisco.com/c/en/us/td/docs/ios/ios_xe/2/release/notes/rnasr21/rnasr21_gen.html#wp3000032"
      },
      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;IOS XE 3S Release Notes",
        "url": "https://www.cisco.com/c/en/us/td/docs/ios/ios_xe/3/release/notes/asr1k_rn_3s_rel_notes/asr1k_rn_3s_sys_req.html#wp3069754"
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        "category": "external",
        "summary": "Cisco\u0026nbsp;IOS XE 3SG Release Notes",
        "url": "https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/release/note/OL_24726.html#pgfId-2570252"
      },
      {
        "category": "external",
        "summary": "Smart Licensing",
        "url": "https://www.cisco.com/c/en/us/products/software/smart-accounts/software-licensing.html#~stickynav=3"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      }
    ],
    "title": "Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities",
    "tracking": {
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      "generator": {
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                      "name": "3.18.1aSP",
                      "product_id": "CSAFPID-223018"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "3.18.1gSP",
                    "product": {
                      "name": "3.18.1gSP",
                      "product_id": "CSAFPID-223019"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "3.18.1bSP",
                    "product": {
                      "name": "3.18.1bSP",
                      "product_id": "CSAFPID-223241"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "3.18.1cSP",
                    "product": {
                      "name": "3.18.1cSP",
                      "product_id": "CSAFPID-224424"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "3.18.2SP",
                    "product": {
                      "name": "3.18.2SP",
                      "product_id": "CSAFPID-225168"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "3.18.1hSP",
                    "product": {
                      "name": "3.18.1hSP",
                      "product_id": "CSAFPID-225359"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "3.18.2aSP",
                    "product": {
                      "name": "3.18.2aSP",
                      "product_id": "CSAFPID-226160"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "3.18.1iSP",
                    "product": {
                      "name": "3.18.1iSP",
                      "product_id": "CSAFPID-226354"
                    }
                  }
                ],
                "category": "product_version",
                "name": "3.18SP"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "17.11.99SW",
                    "product": {
                      "name": "17.11.99SW",
                      "product_id": "CSAFPID-296860"
                    }
                  }
                ],
                "category": "product_version",
                "name": "17.11SW"
              }
            ],
            "category": "product_family",
            "name": "Cisco IOS XE Software"
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-1738",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvb51688"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvc99155"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvc94856"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvf01501"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-210081",
          "CSAFPID-212408",
          "CSAFPID-212411",
          "CSAFPID-212412",
          "CSAFPID-213476",
          "CSAFPID-213477",
          "CSAFPID-213478",
          "CSAFPID-213635",
          "CSAFPID-213777",
          "CSAFPID-213778",
          "CSAFPID-213779",
          "CSAFPID-213809",
          "CSAFPID-213960",
          "CSAFPID-214051",
          "CSAFPID-217234",
          "CSAFPID-217253",
          "CSAFPID-217255",
          "CSAFPID-217256",
          "CSAFPID-217257",
          "CSAFPID-217259",
          "CSAFPID-217265",
          "CSAFPID-217266",
          "CSAFPID-217267",
          "CSAFPID-217268",
          "CSAFPID-217270",
          "CSAFPID-217271",
          "CSAFPID-217272",
          "CSAFPID-217273",
          "CSAFPID-217276",
          "CSAFPID-220517",
          "CSAFPID-220802",
          "CSAFPID-220993",
          "CSAFPID-222257",
          "CSAFPID-222693",
          "CSAFPID-222694",
          "CSAFPID-222711",
          "CSAFPID-222925",
          "CSAFPID-222942",
          "CSAFPID-223018",
          "CSAFPID-223019",
          "CSAFPID-223241",
          "CSAFPID-223252",
          "CSAFPID-224424",
          "CSAFPID-224702",
          "CSAFPID-225168",
          "CSAFPID-225359",
          "CSAFPID-225466",
          "CSAFPID-225784",
          "CSAFPID-226078",
          "CSAFPID-226160",
          "CSAFPID-226330",
          "CSAFPID-226354",
          "CSAFPID-227556",
          "CSAFPID-228193",
          "CSAFPID-231390",
          "CSAFPID-296860",
          "CSAFPID-200509",
          "CSAFPID-204822",
          "CSAFPID-204901",
          "CSAFPID-205516",
          "CSAFPID-209113",
          "CSAFPID-209115",
          "CSAFPID-209360",
          "CSAFPID-209632",
          "CSAFPID-209936",
          "CSAFPID-210129",
          "CSAFPID-211256",
          "CSAFPID-211603",
          "CSAFPID-211825",
          "CSAFPID-211984",
          "CSAFPID-212118",
          "CSAFPID-212127",
          "CSAFPID-212407",
          "CSAFPID-212445",
          "CSAFPID-212686",
          "CSAFPID-213000",
          "CSAFPID-213001",
          "CSAFPID-213034",
          "CSAFPID-213086",
          "CSAFPID-213594",
          "CSAFPID-213633",
          "CSAFPID-213789",
          "CSAFPID-213843",
          "CSAFPID-213954",
          "CSAFPID-214074",
          "CSAFPID-214161",
          "CSAFPID-214938",
          "CSAFPID-216215",
          "CSAFPID-216239",
          "CSAFPID-216277",
          "CSAFPID-216419",
          "CSAFPID-216961",
          "CSAFPID-216962",
          "CSAFPID-217048",
          "CSAFPID-218946",
          "CSAFPID-218948",
          "CSAFPID-218996",
          "CSAFPID-218997",
          "CSAFPID-220235",
          "CSAFPID-220396",
          "CSAFPID-220522",
          "CSAFPID-220657",
          "CSAFPID-220658",
          "CSAFPID-221093",
          "CSAFPID-222630",
          "CSAFPID-222716",
          "CSAFPID-222931",
          "CSAFPID-222988",
          "CSAFPID-222989",
          "CSAFPID-223085",
          "CSAFPID-223189",
          "CSAFPID-224327",
          "CSAFPID-224443",
          "CSAFPID-225167",
          "CSAFPID-225790",
          "CSAFPID-226076",
          "CSAFPID-226172",
          "CSAFPID-227048",
          "CSAFPID-227612",
          "CSAFPID-227789",
          "CSAFPID-228195",
          "CSAFPID-228955",
          "CSAFPID-228956",
          "CSAFPID-230598",
          "CSAFPID-230603",
          "CSAFPID-230605",
          "CSAFPID-230612",
          "CSAFPID-230613",
          "CSAFPID-230614",
          "CSAFPID-230616",
          "CSAFPID-230824",
          "CSAFPID-230826",
          "CSAFPID-230994",
          "CSAFPID-230995",
          "CSAFPID-231000",
          "CSAFPID-231001",
          "CSAFPID-231679",
          "CSAFPID-231796",
          "CSAFPID-232061",
          "CSAFPID-232093",
          "CSAFPID-232852",
          "CSAFPID-234115",
          "CSAFPID-236297",
          "CSAFPID-254081",
          "CSAFPID-262382",
          "CSAFPID-275327",
          "CSAFPID-277230",
          "CSAFPID-277232",
          "CSAFPID-277253",
          "CSAFPID-278136",
          "CSAFPID-279335",
          "CSAFPID-279337",
          "CSAFPID-280759",
          "CSAFPID-282026",
          "CSAFPID-283833",
          "CSAFPID-284291",
          "CSAFPID-284341",
          "CSAFPID-284566",
          "CSAFPID-284785",
          "CSAFPID-286029",
          "CSAFPID-286399",
          "CSAFPID-286400",
          "CSAFPID-286451",
          "CSAFPID-286844",
          "CSAFPID-286927",
          "CSAFPID-286940",
          "CSAFPID-289270",
          "CSAFPID-289301",
          "CSAFPID-289371",
          "CSAFPID-290557",
          "CSAFPID-290618"
        ]
      },
      "release_date": "2019-03-27T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-210081",
            "CSAFPID-212408",
            "CSAFPID-212411",
            "CSAFPID-212412",
            "CSAFPID-213476",
            "CSAFPID-213477",
            "CSAFPID-213478",
            "CSAFPID-213635",
            "CSAFPID-213777",
            "CSAFPID-213778",
            "CSAFPID-213779",
            "CSAFPID-213809",
            "CSAFPID-213960",
            "CSAFPID-214051",
            "CSAFPID-217234",
            "CSAFPID-217253",
            "CSAFPID-217255",
            "CSAFPID-217256",
            "CSAFPID-217257",
            "CSAFPID-217259",
            "CSAFPID-217265",
            "CSAFPID-217266",
            "CSAFPID-217267",
            "CSAFPID-217268",
            "CSAFPID-217270",
            "CSAFPID-217271",
            "CSAFPID-217272",
            "CSAFPID-217273",
            "CSAFPID-217276",
            "CSAFPID-220517",
            "CSAFPID-220802",
            "CSAFPID-220993",
            "CSAFPID-222257",
            "CSAFPID-222693",
            "CSAFPID-222694",
            "CSAFPID-222711",
            "CSAFPID-222925",
            "CSAFPID-222942",
            "CSAFPID-223018",
            "CSAFPID-223019",
            "CSAFPID-223241",
            "CSAFPID-223252",
            "CSAFPID-224424",
            "CSAFPID-224702",
            "CSAFPID-225168",
            "CSAFPID-225359",
            "CSAFPID-225466",
            "CSAFPID-225784",
            "CSAFPID-226078",
            "CSAFPID-226160",
            "CSAFPID-226330",
            "CSAFPID-226354",
            "CSAFPID-227556",
            "CSAFPID-228193",
            "CSAFPID-231390",
            "CSAFPID-296860",
            "CSAFPID-200509",
            "CSAFPID-204822",
            "CSAFPID-204901",
            "CSAFPID-205516",
            "CSAFPID-209113",
            "CSAFPID-209115",
            "CSAFPID-209360",
            "CSAFPID-209632",
            "CSAFPID-209936",
            "CSAFPID-210129",
            "CSAFPID-211256",
            "CSAFPID-211603",
            "CSAFPID-211825",
            "CSAFPID-211984",
            "CSAFPID-212118",
            "CSAFPID-212127",
            "CSAFPID-212407",
            "CSAFPID-212445",
            "CSAFPID-212686",
            "CSAFPID-213000",
            "CSAFPID-213001",
            "CSAFPID-213034",
            "CSAFPID-213086",
            "CSAFPID-213594",
            "CSAFPID-213633",
            "CSAFPID-213789",
            "CSAFPID-213843",
            "CSAFPID-213954",
            "CSAFPID-214074",
            "CSAFPID-214161",
            "CSAFPID-214938",
            "CSAFPID-216215",
            "CSAFPID-216239",
            "CSAFPID-216277",
            "CSAFPID-216419",
            "CSAFPID-216961",
            "CSAFPID-216962",
            "CSAFPID-217048",
            "CSAFPID-218946",
            "CSAFPID-218948",
            "CSAFPID-218996",
            "CSAFPID-218997",
            "CSAFPID-220235",
            "CSAFPID-220396",
            "CSAFPID-220522",
            "CSAFPID-220657",
            "CSAFPID-220658",
            "CSAFPID-221093",
            "CSAFPID-222630",
            "CSAFPID-222716",
            "CSAFPID-222931",
            "CSAFPID-222988",
            "CSAFPID-222989",
            "CSAFPID-223085",
            "CSAFPID-223189",
            "CSAFPID-224327",
            "CSAFPID-224443",
            "CSAFPID-225167",
            "CSAFPID-225790",
            "CSAFPID-226076",
            "CSAFPID-226172",
            "CSAFPID-227048",
            "CSAFPID-227612",
            "CSAFPID-227789",
            "CSAFPID-228195",
            "CSAFPID-228955",
            "CSAFPID-228956",
            "CSAFPID-230598",
            "CSAFPID-230603",
            "CSAFPID-230605",
            "CSAFPID-230612",
            "CSAFPID-230613",
            "CSAFPID-230614",
            "CSAFPID-230616",
            "CSAFPID-230824",
            "CSAFPID-230826",
            "CSAFPID-230994",
            "CSAFPID-230995",
            "CSAFPID-231000",
            "CSAFPID-231001",
            "CSAFPID-231679",
            "CSAFPID-231796",
            "CSAFPID-232061",
            "CSAFPID-232093",
            "CSAFPID-232852",
            "CSAFPID-234115",
            "CSAFPID-236297",
            "CSAFPID-254081",
            "CSAFPID-262382",
            "CSAFPID-275327",
            "CSAFPID-277230",
            "CSAFPID-277232",
            "CSAFPID-277253",
            "CSAFPID-278136",
            "CSAFPID-279335",
            "CSAFPID-279337",
            "CSAFPID-280759",
            "CSAFPID-282026",
            "CSAFPID-283833",
            "CSAFPID-284291",
            "CSAFPID-284341",
            "CSAFPID-284566",
            "CSAFPID-284785",
            "CSAFPID-286029",
            "CSAFPID-286399",
            "CSAFPID-286400",
            "CSAFPID-286451",
            "CSAFPID-286844",
            "CSAFPID-286927",
            "CSAFPID-286940",
            "CSAFPID-289270",
            "CSAFPID-289301",
            "CSAFPID-289371",
            "CSAFPID-290557",
            "CSAFPID-290618"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-210081",
            "CSAFPID-212408",
            "CSAFPID-212411",
            "CSAFPID-212412",
            "CSAFPID-213476",
            "CSAFPID-213477",
            "CSAFPID-213478",
            "CSAFPID-213635",
            "CSAFPID-213777",
            "CSAFPID-213778",
            "CSAFPID-213779",
            "CSAFPID-213809",
            "CSAFPID-213960",
            "CSAFPID-214051",
            "CSAFPID-217234",
            "CSAFPID-217253",
            "CSAFPID-217255",
            "CSAFPID-217256",
            "CSAFPID-217257",
            "CSAFPID-217259",
            "CSAFPID-217265",
            "CSAFPID-217266",
            "CSAFPID-217267",
            "CSAFPID-217268",
            "CSAFPID-217270",
            "CSAFPID-217271",
            "CSAFPID-217272",
            "CSAFPID-217273",
            "CSAFPID-217276",
            "CSAFPID-220517",
            "CSAFPID-220802",
            "CSAFPID-220993",
            "CSAFPID-222257",
            "CSAFPID-222693",
            "CSAFPID-222694",
            "CSAFPID-222711",
            "CSAFPID-222925",
            "CSAFPID-222942",
            "CSAFPID-223018",
            "CSAFPID-223019",
            "CSAFPID-223241",
            "CSAFPID-223252",
            "CSAFPID-224424",
            "CSAFPID-224702",
            "CSAFPID-225168",
            "CSAFPID-225359",
            "CSAFPID-225466",
            "CSAFPID-225784",
            "CSAFPID-226078",
            "CSAFPID-226160",
            "CSAFPID-226330",
            "CSAFPID-226354",
            "CSAFPID-227556",
            "CSAFPID-228193",
            "CSAFPID-231390",
            "CSAFPID-296860",
            "CSAFPID-200509",
            "CSAFPID-204822",
            "CSAFPID-204901",
            "CSAFPID-205516",
            "CSAFPID-209113",
            "CSAFPID-209115",
            "CSAFPID-209360",
            "CSAFPID-209632",
            "CSAFPID-209936",
            "CSAFPID-210129",
            "CSAFPID-211256",
            "CSAFPID-211603",
            "CSAFPID-211825",
            "CSAFPID-211984",
            "CSAFPID-212118",
            "CSAFPID-212127",
            "CSAFPID-212407",
            "CSAFPID-212445",
            "CSAFPID-212686",
            "CSAFPID-213000",
            "CSAFPID-213001",
            "CSAFPID-213034",
            "CSAFPID-213086",
            "CSAFPID-213594",
            "CSAFPID-213633",
            "CSAFPID-213789",
            "CSAFPID-213843",
            "CSAFPID-213954",
            "CSAFPID-214074",
            "CSAFPID-214161",
            "CSAFPID-214938",
            "CSAFPID-216215",
            "CSAFPID-216239",
            "CSAFPID-216277",
            "CSAFPID-216419",
            "CSAFPID-216961",
            "CSAFPID-216962",
            "CSAFPID-217048",
            "CSAFPID-218946",
            "CSAFPID-218948",
            "CSAFPID-218996",
            "CSAFPID-218997",
            "CSAFPID-220235",
            "CSAFPID-220396",
            "CSAFPID-220522",
            "CSAFPID-220657",
            "CSAFPID-220658",
            "CSAFPID-221093",
            "CSAFPID-222630",
            "CSAFPID-222716",
            "CSAFPID-222931",
            "CSAFPID-222988",
            "CSAFPID-222989",
            "CSAFPID-223085",
            "CSAFPID-223189",
            "CSAFPID-224327",
            "CSAFPID-224443",
            "CSAFPID-225167",
            "CSAFPID-225790",
            "CSAFPID-226076",
            "CSAFPID-226172",
            "CSAFPID-227048",
            "CSAFPID-227612",
            "CSAFPID-227789",
            "CSAFPID-228195",
            "CSAFPID-228955",
            "CSAFPID-228956",
            "CSAFPID-230598",
            "CSAFPID-230603",
            "CSAFPID-230605",
            "CSAFPID-230612",
            "CSAFPID-230613",
            "CSAFPID-230614",
            "CSAFPID-230616",
            "CSAFPID-230824",
            "CSAFPID-230826",
            "CSAFPID-230994",
            "CSAFPID-230995",
            "CSAFPID-231000",
            "CSAFPID-231001",
            "CSAFPID-231679",
            "CSAFPID-231796",
            "CSAFPID-232061",
            "CSAFPID-232093",
            "CSAFPID-232852",
            "CSAFPID-234115",
            "CSAFPID-236297",
            "CSAFPID-254081",
            "CSAFPID-262382",
            "CSAFPID-275327",
            "CSAFPID-277230",
            "CSAFPID-277232",
            "CSAFPID-277253",
            "CSAFPID-278136",
            "CSAFPID-279335",
            "CSAFPID-279337",
            "CSAFPID-280759",
            "CSAFPID-282026",
            "CSAFPID-283833",
            "CSAFPID-284291",
            "CSAFPID-284341",
            "CSAFPID-284566",
            "CSAFPID-284785",
            "CSAFPID-286029",
            "CSAFPID-286399",
            "CSAFPID-286400",
            "CSAFPID-286451",
            "CSAFPID-286844",
            "CSAFPID-286927",
            "CSAFPID-286940",
            "CSAFPID-289270",
            "CSAFPID-289301",
            "CSAFPID-289371",
            "CSAFPID-290557",
            "CSAFPID-290618"
          ]
        }
      ],
      "title": "Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities"
    },
    {
      "cve": "CVE-2019-1739",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvb51688"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvc99155"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvc94856"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvf01501"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-210081",
          "CSAFPID-212408",
          "CSAFPID-212411",
          "CSAFPID-212412",
          "CSAFPID-213476",
          "CSAFPID-213477",
          "CSAFPID-213478",
          "CSAFPID-213635",
          "CSAFPID-213777",
          "CSAFPID-213778",
          "CSAFPID-213779",
          "CSAFPID-213809",
          "CSAFPID-213960",
          "CSAFPID-214051",
          "CSAFPID-217234",
          "CSAFPID-217253",
          "CSAFPID-217255",
          "CSAFPID-217256",
          "CSAFPID-217257",
          "CSAFPID-217259",
          "CSAFPID-217265",
          "CSAFPID-217266",
          "CSAFPID-217267",
          "CSAFPID-217268",
          "CSAFPID-217270",
          "CSAFPID-217271",
          "CSAFPID-217272",
          "CSAFPID-217273",
          "CSAFPID-217276",
          "CSAFPID-220517",
          "CSAFPID-220802",
          "CSAFPID-220993",
          "CSAFPID-222257",
          "CSAFPID-222693",
          "CSAFPID-222694",
          "CSAFPID-222711",
          "CSAFPID-222925",
          "CSAFPID-222942",
          "CSAFPID-223018",
          "CSAFPID-223019",
          "CSAFPID-223241",
          "CSAFPID-223252",
          "CSAFPID-224424",
          "CSAFPID-224702",
          "CSAFPID-225168",
          "CSAFPID-225359",
          "CSAFPID-225466",
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          "CSAFPID-226160",
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          "CSAFPID-296860",
          "CSAFPID-200509",
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          "CSAFPID-213086",
          "CSAFPID-213594",
          "CSAFPID-213633",
          "CSAFPID-213789",
          "CSAFPID-213843",
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          "CSAFPID-214074",
          "CSAFPID-214161",
          "CSAFPID-214938",
          "CSAFPID-216215",
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          "CSAFPID-218948",
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          "CSAFPID-220235",
          "CSAFPID-220396",
          "CSAFPID-220522",
          "CSAFPID-220657",
          "CSAFPID-220658",
          "CSAFPID-221093",
          "CSAFPID-222630",
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          "CSAFPID-222931",
          "CSAFPID-222988",
          "CSAFPID-222989",
          "CSAFPID-223085",
          "CSAFPID-223189",
          "CSAFPID-224327",
          "CSAFPID-224443",
          "CSAFPID-225167",
          "CSAFPID-225790",
          "CSAFPID-226076",
          "CSAFPID-226172",
          "CSAFPID-227048",
          "CSAFPID-227612",
          "CSAFPID-227789",
          "CSAFPID-228195",
          "CSAFPID-228955",
          "CSAFPID-228956",
          "CSAFPID-230598",
          "CSAFPID-230603",
          "CSAFPID-230605",
          "CSAFPID-230612",
          "CSAFPID-230613",
          "CSAFPID-230614",
          "CSAFPID-230616",
          "CSAFPID-230824",
          "CSAFPID-230826",
          "CSAFPID-230994",
          "CSAFPID-230995",
          "CSAFPID-231000",
          "CSAFPID-231001",
          "CSAFPID-231679",
          "CSAFPID-231796",
          "CSAFPID-232061",
          "CSAFPID-232093",
          "CSAFPID-232852",
          "CSAFPID-234115",
          "CSAFPID-236297",
          "CSAFPID-254081",
          "CSAFPID-262382",
          "CSAFPID-275327",
          "CSAFPID-277230",
          "CSAFPID-277232",
          "CSAFPID-277253",
          "CSAFPID-278136",
          "CSAFPID-279335",
          "CSAFPID-279337",
          "CSAFPID-280759",
          "CSAFPID-282026",
          "CSAFPID-283833",
          "CSAFPID-284291",
          "CSAFPID-284341",
          "CSAFPID-284566",
          "CSAFPID-284785",
          "CSAFPID-286029",
          "CSAFPID-286399",
          "CSAFPID-286400",
          "CSAFPID-286451",
          "CSAFPID-286844",
          "CSAFPID-286927",
          "CSAFPID-286940",
          "CSAFPID-289270",
          "CSAFPID-289301",
          "CSAFPID-289371",
          "CSAFPID-290557",
          "CSAFPID-290618"
        ]
      },
      "release_date": "2019-03-27T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-210081",
            "CSAFPID-212408",
            "CSAFPID-212411",
            "CSAFPID-212412",
            "CSAFPID-213476",
            "CSAFPID-213477",
            "CSAFPID-213478",
            "CSAFPID-213635",
            "CSAFPID-213777",
            "CSAFPID-213778",
            "CSAFPID-213779",
            "CSAFPID-213809",
            "CSAFPID-213960",
            "CSAFPID-214051",
            "CSAFPID-217234",
            "CSAFPID-217253",
            "CSAFPID-217255",
            "CSAFPID-217256",
            "CSAFPID-217257",
            "CSAFPID-217259",
            "CSAFPID-217265",
            "CSAFPID-217266",
            "CSAFPID-217267",
            "CSAFPID-217268",
            "CSAFPID-217270",
            "CSAFPID-217271",
            "CSAFPID-217272",
            "CSAFPID-217273",
            "CSAFPID-217276",
            "CSAFPID-220517",
            "CSAFPID-220802",
            "CSAFPID-220993",
            "CSAFPID-222257",
            "CSAFPID-222693",
            "CSAFPID-222694",
            "CSAFPID-222711",
            "CSAFPID-222925",
            "CSAFPID-222942",
            "CSAFPID-223018",
            "CSAFPID-223019",
            "CSAFPID-223241",
            "CSAFPID-223252",
            "CSAFPID-224424",
            "CSAFPID-224702",
            "CSAFPID-225168",
            "CSAFPID-225359",
            "CSAFPID-225466",
            "CSAFPID-225784",
            "CSAFPID-226078",
            "CSAFPID-226160",
            "CSAFPID-226330",
            "CSAFPID-226354",
            "CSAFPID-227556",
            "CSAFPID-228193",
            "CSAFPID-231390",
            "CSAFPID-296860",
            "CSAFPID-200509",
            "CSAFPID-204822",
            "CSAFPID-204901",
            "CSAFPID-205516",
            "CSAFPID-209113",
            "CSAFPID-209115",
            "CSAFPID-209360",
            "CSAFPID-209632",
            "CSAFPID-209936",
            "CSAFPID-210129",
            "CSAFPID-211256",
            "CSAFPID-211603",
            "CSAFPID-211825",
            "CSAFPID-211984",
            "CSAFPID-212118",
            "CSAFPID-212127",
            "CSAFPID-212407",
            "CSAFPID-212445",
            "CSAFPID-212686",
            "CSAFPID-213000",
            "CSAFPID-213001",
            "CSAFPID-213034",
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            "CSAFPID-213843",
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            "CSAFPID-216961",
            "CSAFPID-216962",
            "CSAFPID-217048",
            "CSAFPID-218946",
            "CSAFPID-218948",
            "CSAFPID-218996",
            "CSAFPID-218997",
            "CSAFPID-220235",
            "CSAFPID-220396",
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            "CSAFPID-220658",
            "CSAFPID-221093",
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            "CSAFPID-222989",
            "CSAFPID-223085",
            "CSAFPID-223189",
            "CSAFPID-224327",
            "CSAFPID-224443",
            "CSAFPID-225167",
            "CSAFPID-225790",
            "CSAFPID-226076",
            "CSAFPID-226172",
            "CSAFPID-227048",
            "CSAFPID-227612",
            "CSAFPID-227789",
            "CSAFPID-228195",
            "CSAFPID-228955",
            "CSAFPID-228956",
            "CSAFPID-230598",
            "CSAFPID-230603",
            "CSAFPID-230605",
            "CSAFPID-230612",
            "CSAFPID-230613",
            "CSAFPID-230614",
            "CSAFPID-230616",
            "CSAFPID-230824",
            "CSAFPID-230826",
            "CSAFPID-230994",
            "CSAFPID-230995",
            "CSAFPID-231000",
            "CSAFPID-231001",
            "CSAFPID-231679",
            "CSAFPID-231796",
            "CSAFPID-232061",
            "CSAFPID-232093",
            "CSAFPID-232852",
            "CSAFPID-234115",
            "CSAFPID-236297",
            "CSAFPID-254081",
            "CSAFPID-262382",
            "CSAFPID-275327",
            "CSAFPID-277230",
            "CSAFPID-277232",
            "CSAFPID-277253",
            "CSAFPID-278136",
            "CSAFPID-279335",
            "CSAFPID-279337",
            "CSAFPID-280759",
            "CSAFPID-282026",
            "CSAFPID-283833",
            "CSAFPID-284291",
            "CSAFPID-284341",
            "CSAFPID-284566",
            "CSAFPID-284785",
            "CSAFPID-286029",
            "CSAFPID-286399",
            "CSAFPID-286400",
            "CSAFPID-286451",
            "CSAFPID-286844",
            "CSAFPID-286927",
            "CSAFPID-286940",
            "CSAFPID-289270",
            "CSAFPID-289301",
            "CSAFPID-289371",
            "CSAFPID-290557",
            "CSAFPID-290618"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-210081",
            "CSAFPID-212408",
            "CSAFPID-212411",
            "CSAFPID-212412",
            "CSAFPID-213476",
            "CSAFPID-213477",
            "CSAFPID-213478",
            "CSAFPID-213635",
            "CSAFPID-213777",
            "CSAFPID-213778",
            "CSAFPID-213779",
            "CSAFPID-213809",
            "CSAFPID-213960",
            "CSAFPID-214051",
            "CSAFPID-217234",
            "CSAFPID-217253",
            "CSAFPID-217255",
            "CSAFPID-217256",
            "CSAFPID-217257",
            "CSAFPID-217259",
            "CSAFPID-217265",
            "CSAFPID-217266",
            "CSAFPID-217267",
            "CSAFPID-217268",
            "CSAFPID-217270",
            "CSAFPID-217271",
            "CSAFPID-217272",
            "CSAFPID-217273",
            "CSAFPID-217276",
            "CSAFPID-220517",
            "CSAFPID-220802",
            "CSAFPID-220993",
            "CSAFPID-222257",
            "CSAFPID-222693",
            "CSAFPID-222694",
            "CSAFPID-222711",
            "CSAFPID-222925",
            "CSAFPID-222942",
            "CSAFPID-223018",
            "CSAFPID-223019",
            "CSAFPID-223241",
            "CSAFPID-223252",
            "CSAFPID-224424",
            "CSAFPID-224702",
            "CSAFPID-225168",
            "CSAFPID-225359",
            "CSAFPID-225466",
            "CSAFPID-225784",
            "CSAFPID-226078",
            "CSAFPID-226160",
            "CSAFPID-226330",
            "CSAFPID-226354",
            "CSAFPID-227556",
            "CSAFPID-228193",
            "CSAFPID-231390",
            "CSAFPID-296860",
            "CSAFPID-200509",
            "CSAFPID-204822",
            "CSAFPID-204901",
            "CSAFPID-205516",
            "CSAFPID-209113",
            "CSAFPID-209115",
            "CSAFPID-209360",
            "CSAFPID-209632",
            "CSAFPID-209936",
            "CSAFPID-210129",
            "CSAFPID-211256",
            "CSAFPID-211603",
            "CSAFPID-211825",
            "CSAFPID-211984",
            "CSAFPID-212118",
            "CSAFPID-212127",
            "CSAFPID-212407",
            "CSAFPID-212445",
            "CSAFPID-212686",
            "CSAFPID-213000",
            "CSAFPID-213001",
            "CSAFPID-213034",
            "CSAFPID-213086",
            "CSAFPID-213594",
            "CSAFPID-213633",
            "CSAFPID-213789",
            "CSAFPID-213843",
            "CSAFPID-213954",
            "CSAFPID-214074",
            "CSAFPID-214161",
            "CSAFPID-214938",
            "CSAFPID-216215",
            "CSAFPID-216239",
            "CSAFPID-216277",
            "CSAFPID-216419",
            "CSAFPID-216961",
            "CSAFPID-216962",
            "CSAFPID-217048",
            "CSAFPID-218946",
            "CSAFPID-218948",
            "CSAFPID-218996",
            "CSAFPID-218997",
            "CSAFPID-220235",
            "CSAFPID-220396",
            "CSAFPID-220522",
            "CSAFPID-220657",
            "CSAFPID-220658",
            "CSAFPID-221093",
            "CSAFPID-222630",
            "CSAFPID-222716",
            "CSAFPID-222931",
            "CSAFPID-222988",
            "CSAFPID-222989",
            "CSAFPID-223085",
            "CSAFPID-223189",
            "CSAFPID-224327",
            "CSAFPID-224443",
            "CSAFPID-225167",
            "CSAFPID-225790",
            "CSAFPID-226076",
            "CSAFPID-226172",
            "CSAFPID-227048",
            "CSAFPID-227612",
            "CSAFPID-227789",
            "CSAFPID-228195",
            "CSAFPID-228955",
            "CSAFPID-228956",
            "CSAFPID-230598",
            "CSAFPID-230603",
            "CSAFPID-230605",
            "CSAFPID-230612",
            "CSAFPID-230613",
            "CSAFPID-230614",
            "CSAFPID-230616",
            "CSAFPID-230824",
            "CSAFPID-230826",
            "CSAFPID-230994",
            "CSAFPID-230995",
            "CSAFPID-231000",
            "CSAFPID-231001",
            "CSAFPID-231679",
            "CSAFPID-231796",
            "CSAFPID-232061",
            "CSAFPID-232093",
            "CSAFPID-232852",
            "CSAFPID-234115",
            "CSAFPID-236297",
            "CSAFPID-254081",
            "CSAFPID-262382",
            "CSAFPID-275327",
            "CSAFPID-277230",
            "CSAFPID-277232",
            "CSAFPID-277253",
            "CSAFPID-278136",
            "CSAFPID-279335",
            "CSAFPID-279337",
            "CSAFPID-280759",
            "CSAFPID-282026",
            "CSAFPID-283833",
            "CSAFPID-284291",
            "CSAFPID-284341",
            "CSAFPID-284566",
            "CSAFPID-284785",
            "CSAFPID-286029",
            "CSAFPID-286399",
            "CSAFPID-286400",
            "CSAFPID-286451",
            "CSAFPID-286844",
            "CSAFPID-286927",
            "CSAFPID-286940",
            "CSAFPID-289270",
            "CSAFPID-289301",
            "CSAFPID-289371",
            "CSAFPID-290557",
            "CSAFPID-290618"
          ]
        }
      ],
      "title": "Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities"
    },
    {
      "cve": "CVE-2019-1740",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvb51688"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvc99155"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvc94856"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvf01501"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-210081",
          "CSAFPID-212408",
          "CSAFPID-212411",
          "CSAFPID-212412",
          "CSAFPID-213476",
          "CSAFPID-213477",
          "CSAFPID-213478",
          "CSAFPID-213635",
          "CSAFPID-213777",
          "CSAFPID-213778",
          "CSAFPID-213779",
          "CSAFPID-213809",
          "CSAFPID-213960",
          "CSAFPID-214051",
          "CSAFPID-217234",
          "CSAFPID-217253",
          "CSAFPID-217255",
          "CSAFPID-217256",
          "CSAFPID-217257",
          "CSAFPID-217259",
          "CSAFPID-217265",
          "CSAFPID-217266",
          "CSAFPID-217267",
          "CSAFPID-217268",
          "CSAFPID-217270",
          "CSAFPID-217271",
          "CSAFPID-217272",
          "CSAFPID-217273",
          "CSAFPID-217276",
          "CSAFPID-220517",
          "CSAFPID-220802",
          "CSAFPID-220993",
          "CSAFPID-222257",
          "CSAFPID-222693",
          "CSAFPID-222694",
          "CSAFPID-222711",
          "CSAFPID-222925",
          "CSAFPID-222942",
          "CSAFPID-223018",
          "CSAFPID-223019",
          "CSAFPID-223241",
          "CSAFPID-223252",
          "CSAFPID-224424",
          "CSAFPID-224702",
          "CSAFPID-225168",
          "CSAFPID-225359",
          "CSAFPID-225466",
          "CSAFPID-225784",
          "CSAFPID-226078",
          "CSAFPID-226160",
          "CSAFPID-226330",
          "CSAFPID-226354",
          "CSAFPID-227556",
          "CSAFPID-228193",
          "CSAFPID-231390",
          "CSAFPID-296860",
          "CSAFPID-200509",
          "CSAFPID-204822",
          "CSAFPID-204901",
          "CSAFPID-205516",
          "CSAFPID-209113",
          "CSAFPID-209115",
          "CSAFPID-209360",
          "CSAFPID-209632",
          "CSAFPID-209936",
          "CSAFPID-210129",
          "CSAFPID-211256",
          "CSAFPID-211603",
          "CSAFPID-211825",
          "CSAFPID-211984",
          "CSAFPID-212118",
          "CSAFPID-212127",
          "CSAFPID-212407",
          "CSAFPID-212445",
          "CSAFPID-212686",
          "CSAFPID-213000",
          "CSAFPID-213001",
          "CSAFPID-213034",
          "CSAFPID-213086",
          "CSAFPID-213594",
          "CSAFPID-213633",
          "CSAFPID-213789",
          "CSAFPID-213843",
          "CSAFPID-213954",
          "CSAFPID-214074",
          "CSAFPID-214161",
          "CSAFPID-214938",
          "CSAFPID-216215",
          "CSAFPID-216239",
          "CSAFPID-216277",
          "CSAFPID-216419",
          "CSAFPID-216961",
          "CSAFPID-216962",
          "CSAFPID-217048",
          "CSAFPID-218946",
          "CSAFPID-218948",
          "CSAFPID-218996",
          "CSAFPID-218997",
          "CSAFPID-220235",
          "CSAFPID-220396",
          "CSAFPID-220522",
          "CSAFPID-220657",
          "CSAFPID-220658",
          "CSAFPID-221093",
          "CSAFPID-222630",
          "CSAFPID-222716",
          "CSAFPID-222931",
          "CSAFPID-222988",
          "CSAFPID-222989",
          "CSAFPID-223085",
          "CSAFPID-223189",
          "CSAFPID-224327",
          "CSAFPID-224443",
          "CSAFPID-225167",
          "CSAFPID-225790",
          "CSAFPID-226076",
          "CSAFPID-226172",
          "CSAFPID-227048",
          "CSAFPID-227612",
          "CSAFPID-227789",
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      "release_date": "2019-03-27T16:00:00+00:00",
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            "CSAFPID-224443",
            "CSAFPID-225167",
            "CSAFPID-225790",
            "CSAFPID-226076",
            "CSAFPID-226172",
            "CSAFPID-227048",
            "CSAFPID-227612",
            "CSAFPID-227789",
            "CSAFPID-228195",
            "CSAFPID-228955",
            "CSAFPID-228956",
            "CSAFPID-230598",
            "CSAFPID-230603",
            "CSAFPID-230605",
            "CSAFPID-230612",
            "CSAFPID-230613",
            "CSAFPID-230614",
            "CSAFPID-230616",
            "CSAFPID-230824",
            "CSAFPID-230826",
            "CSAFPID-230994",
            "CSAFPID-230995",
            "CSAFPID-231000",
            "CSAFPID-231001",
            "CSAFPID-231679",
            "CSAFPID-231796",
            "CSAFPID-232061",
            "CSAFPID-232093",
            "CSAFPID-232852",
            "CSAFPID-234115",
            "CSAFPID-236297",
            "CSAFPID-254081",
            "CSAFPID-262382",
            "CSAFPID-275327",
            "CSAFPID-277230",
            "CSAFPID-277232",
            "CSAFPID-277253",
            "CSAFPID-278136",
            "CSAFPID-279335",
            "CSAFPID-279337",
            "CSAFPID-280759",
            "CSAFPID-282026",
            "CSAFPID-283833",
            "CSAFPID-284291",
            "CSAFPID-284341",
            "CSAFPID-284566",
            "CSAFPID-284785",
            "CSAFPID-286029",
            "CSAFPID-286399",
            "CSAFPID-286400",
            "CSAFPID-286451",
            "CSAFPID-286844",
            "CSAFPID-286927",
            "CSAFPID-286940",
            "CSAFPID-289270",
            "CSAFPID-289301",
            "CSAFPID-289371",
            "CSAFPID-290557",
            "CSAFPID-290618"
          ]
        }
      ],
      "title": "Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities"
    }
  ]
}

VAR-201903-0597

Vulnerability from variot - Updated: 2024-11-23 21:52

Show details on source website

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CERTFR-2019-AVI-133

Vulnerability from certfr_avis - Published: 2019-03-28 - Updated: 2019-03-28

De multiples vulnérabilités ont été découvertes dans les produits Cisco. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et une atteinte à la confidentialité des données.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
Cisco	IOS XE	Cisco IOS XE
Cisco	N/A	Cisco ASR 900 RSP3
Cisco	IOS	Cisco IOS
Cisco	N/A	Cisco Catalyst 4500/4500X
Cisco	IOS XE	Routeurs Cisco avec un module Sierra Wireless WWAN cellular interface et exécutant une version logicielle Cisco IOS Release 15.8(3)M ou Cisco IOS XE Release 16.10.1

References

Title

Publication Time

GHSA-454M-CF77-VMJ9

Vulnerability from github – Published: 2022-05-13 01:03 – Updated: 2022-05-13 01:03

Details

Severity ?

8.6 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2019-1740"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-03-28T00:29:00Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability are due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.",
  "id": "GHSA-454m-cf77-vmj9",
  "modified": "2022-05-13T01:03:08Z",
  "published": "2022-05-13T01:03:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-1740"
    },
    {
      "type": "WEB",
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/107597"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

FKIE_CVE-2019-1740

Vulnerability from fkie_nvd - Published: 2019-03-28 00:29 - Updated: 2024-11-21 04:37

Severity ?

8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Summary

References

URL	Tags
psirt@cisco.com	http://www.securityfocus.com/bid/107597	Third Party Advisory, VDB Entry
psirt@cisco.com	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/107597	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar	Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
cisco	ios_xe	3.2.0ja
cisco	ios_xe	3.16.0as
cisco	ios_xe	3.16.0bs
cisco	ios_xe	3.16.0cs
cisco	ios_xe	3.16.0s
cisco	ios_xe	3.16.1as
cisco	ios_xe	3.16.1s
cisco	ios_xe	3.16.2as
cisco	ios_xe	3.16.2bs
cisco	ios_xe	3.16.2s
cisco	ios_xe	3.16.3as
cisco	ios_xe	3.16.3s
cisco	ios_xe	3.16.4as
cisco	ios_xe	3.16.4bs
cisco	ios_xe	3.16.4cs
cisco	ios_xe	3.16.4ds
cisco	ios_xe	3.16.4es
cisco	ios_xe	3.16.4gs
cisco	ios_xe	3.16.4s
cisco	ios_xe	3.16.5as
cisco	ios_xe	3.16.5s
cisco	ios_xe	3.17.0s
cisco	ios_xe	3.17.1as
cisco	ios_xe	3.17.1s
cisco	ios_xe	3.17.2s
cisco	ios_xe	3.17.3s
cisco	ios_xe	3.17.4s
cisco	ios_xe	3.18.0as
cisco	ios_xe	3.18.0s
cisco	ios_xe	3.18.0sp
cisco	ios_xe	3.18.1asp
cisco	ios_xe	3.18.1bsp
cisco	ios_xe	3.18.1csp
cisco	ios_xe	3.18.1gsp
cisco	ios_xe	3.18.1hsp
cisco	ios_xe	3.18.1isp
cisco	ios_xe	3.18.1s
cisco	ios_xe	3.18.1sp
cisco	ios_xe	3.18.2asp
cisco	ios_xe	3.18.2s
cisco	ios_xe	3.18.2sp
cisco	ios_xe	3.18.3s
cisco	ios_xe	3.18.4s
cisco	ios_xe	16.2.1
cisco	ios_xe	16.2.2
cisco	ios_xe	16.3.1
cisco	ios_xe	16.3.1a
cisco	ios_xe	16.3.2
cisco	ios_xe	16.3.3
cisco	ios_xe	16.3.4
cisco	ios_xe	16.4.1
cisco	ios_xe	16.4.2
cisco	ios_xe	16.4.3
cisco	ios_xe	16.5.1
cisco	ios_xe	16.5.1a
cisco	ios_xe	16.5.1b
cisco	ios_xe	16.9.3s
cisco	ios_xe	16.9.4c
cisco	ios	15.3\(3\)jd
cisco	ios	15.3\(3\)jd2
cisco	ios	15.3\(3\)jd3
cisco	ios	15.3\(3\)jd4
cisco	ios	15.3\(3\)jd5
cisco	ios	15.3\(3\)jd6
cisco	ios	15.3\(3\)jd7
cisco	ios	15.3\(3\)jd8
cisco	ios	15.3\(3\)jd9
cisco	ios	15.3\(3\)jd11
cisco	ios	15.3\(3\)jd12
cisco	ios	15.3\(3\)jd13
cisco	ios	15.3\(3\)jd14
cisco	ios	15.3\(3\)je
cisco	ios	15.3\(3\)jf
cisco	ios	15.3\(3\)jf1
cisco	ios	15.3\(3\)jf2
cisco	ios	15.3\(3\)jf4
cisco	ios	15.3\(3\)jf5
cisco	ios	15.3\(3\)jg
cisco	ios	15.3\(3\)jg1
cisco	ios	15.3\(3\)jh
cisco	ios	15.3\(3\)jk6
cisco	ios	15.3\(3\)jnp
cisco	ios	15.3\(3\)jnp1
cisco	ios	15.3\(3\)jnp3
cisco	ios	15.3\(3\)jpb
cisco	ios	15.3\(3\)jpb1
cisco	ios	15.3\(3\)jpc
cisco	ios	15.3\(3\)jpc1
cisco	ios	15.3\(3\)jpc2
cisco	ios	15.3\(3\)jpc3
cisco	ios	15.3\(3\)jpc5
cisco	ios	15.3\(3\)jpd
cisco	ios	15.5\(3\)m
cisco	ios	15.5\(3\)m0a
cisco	ios	15.5\(3\)m1
cisco	ios	15.5\(3\)m2
cisco	ios	15.5\(3\)m2a
cisco	ios	15.5\(3\)m3
cisco	ios	15.5\(3\)m4
cisco	ios	15.5\(3\)m4a
cisco	ios	15.5\(3\)m4b
cisco	ios	15.5\(3\)m4c
cisco	ios	15.5\(3\)m5
cisco	ios	15.5\(3\)s
cisco	ios	15.5\(3\)s0a
cisco	ios	15.5\(3\)s1
cisco	ios	15.5\(3\)s1a
cisco	ios	15.5\(3\)s2
cisco	ios	15.5\(3\)s3
cisco	ios	15.5\(3\)s4
cisco	ios	15.5\(3\)s5
cisco	ios	15.5\(3\)sn
cisco	ios	15.5\(3\)sn0a
cisco	ios	15.6\(1\)s
cisco	ios	15.6\(1\)s1
cisco	ios	15.6\(1\)s2
cisco	ios	15.6\(1\)s3
cisco	ios	15.6\(1\)s4
cisco	ios	15.6\(1\)sn
cisco	ios	15.6\(1\)sn1
cisco	ios	15.6\(1\)sn2
cisco	ios	15.6\(1\)sn3
cisco	ios	15.6\(1\)t
cisco	ios	15.6\(1\)t0a
cisco	ios	15.6\(1\)t1
cisco	ios	15.6\(1\)t2
cisco	ios	15.6\(2\)s
cisco	ios	15.6\(2\)s1
cisco	ios	15.6\(2\)s2
cisco	ios	15.6\(2\)s3
cisco	ios	15.6\(2\)s4
cisco	ios	15.6\(2\)sn
cisco	ios	15.6\(2\)t
cisco	ios	15.6\(2\)t0a
cisco	ios	15.6\(2\)t1
cisco	ios	15.6\(2\)t2
cisco	ios	15.6\(3\)m
cisco	ios	15.6\(3\)m0a
cisco	ios	15.6\(3\)m1
cisco	ios	15.6\(3\)m1a
cisco	ios	15.6\(3\)m1b
cisco	ios	15.6\(3\)sn
cisco	ios	15.6\(4\)sn
cisco	ios	15.6\(5\)sn
cisco	ios	15.6\(6\)sn
cisco	ios	15.6\(7\)sn
cisco	ios	15.6\(7\)sn1
cisco	ios	15.6\(7\)sn2
cisco	ios	15.6\(7\)sn3

JSON

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{
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability are due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la funcionalidad NBAR (Network-Based Application Recognition) de los softwares Cisco IOS y Cisco IOS XE podr\u00eda permitir que un atacante remoto no autenticado provoque que el dispositivo afectado se recargue. Esta vulnerabilidad se debe a un problema de an\u00e1lisis en los paquetes DNS. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de paquetes DNS manipulados a trav\u00e9s de routers que ejecutan una versi\u00f3n afectada y tienen NBAR habilitado. Si se explota con \u00e9xito, podr\u00eda permitir que el atacante consiga que el dispositivo afectado se reinicie, provocando una denegaci\u00f3n de servicio (DoS)."
    }
  ],
  "id": "CVE-2019-1740",
  "lastModified": "2024-11-21T04:37:15.070",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
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        "exploitabilityScore": 10.0,
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        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
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    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-03-28T00:29:00.373",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/107597"
    },
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/107597"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2019-1740 (GCVE-0-2019-1740)

GSD-2019-1740

CNVD-2019-08718

CISCO-SA-20190327-NBAR

VAR-201903-0597

CERTFR-2019-AVI-133

Solution

GHSA-454M-CF77-VMJ9

FKIE_CVE-2019-1740

Tags

Sightings

Nomenclature