Common Weakness Enumeration
CWE-1284
AllowedImproper Validation of Specified Quantity in Input
Abstraction: Base · Status: Incomplete
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
659 vulnerabilities reference this CWE, most recent first.
CVE-2026-31971 (GCVE-0-2026-31971)
Vulnerability from cvelistv5 – Published: 2026-03-18 19:55 – Updated: 2026-03-18 20:15
VLAI
EPSS
VEX
Title
HTSlib CRAM decoder vulnerable to buffer overflow
Summary
HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. When reading data encoded using the `BYTE_ARRAY_LEN` method, the `cram_byte_array_len_decode()` failed to validate that the amount of data being unpacked matched the size of the output buffer where it was to be stored. Depending on the data series being read, this could result either in a heap or a stack overflow with attacker-controlled bytes. Depending on the data stream this could result either in a heap buffer overflow or a stack overflow. If a user opens a file crafted to exploit this issue it could lead to the program crashing, overwriting of data structures on the heap or stack in ways not expected by the program, or changing the control flow of the program. It may be possible to use this to obtain arbitrary code execution. Versions 1.23.1, 1.22.2 and 1.21.1 include fixes for this issue. There is no workaround for this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-18 20:15 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/samtools/htslib/security/advis… | x_refsource_CONFIRM |
| https://github.com/samtools/htslib/commit/01cd003… | x_refsource_MISC |
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CVE-2026-31970 (GCVE-0-2026-31970)
Vulnerability from cvelistv5 – Published: 2026-03-18 19:53 – Updated: 2026-03-18 23:08
VLAI
EPSS
VEX
Title
HTSlib BGZF index file reader has a heap buffer overflow
Summary
HTSlib is a library for reading and writing bioinformatics file formats. GZI files are used to index block-compressed GZIP [BGZF] files. In the GZI loading function, `bgzf_index_load_hfile()`, it was possible to trigger an integer overflow, leading to an under- or zero-sized buffer being allocated to store the index. Sixteen zero bytes would then be written to this buffer, and, depending on the result of the overflow the rest of the file may also be loaded into the buffer as well. If the function did attempt to load the data, it would eventually fail due to not reading the expected number of records, and then try to free the overflowed heap buffer. Exploiting this bug causes a heap buffer overflow. If a user opens a file crafted to exploit this issue, it could lead to the program crashing, or overwriting of data and heap structures in ways not expected by the program. It may be possible to use this to obtain arbitrary code execution. Versions 1.23.1, 1.22.2 and 1.21.1 include fixes for this issue. The easiest work-around is to discard any `.gzi` index files from untrusted sources, and use the `bgzip -r` option to recreate them.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-18 20:14 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/samtools/htslib/security/advis… | x_refsource_CONFIRM |
| https://github.com/samtools/htslib/commit/6dd0d7d… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2026/03/18/9 |
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CVE-2026-27384 (GCVE-0-2026-27384)
Vulnerability from cvelistv5 – Published: 2026-03-05 05:53 – Updated: 2026-04-29 09:51
VLAI
EPSS
VEX
Title
WordPress W3 Total Cache plugin <= 2.9.1 - Arbitrary Code Execution vulnerability
Summary
Improper Validation of Specified Quantity in Input vulnerability in BoldGrid W3 Total Cache w3-total-cache allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects W3 Total Cache: from n/a through <= 2.9.1.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-09 15:46 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| BoldGrid | W3 Total Cache |
Affected:
0 , ≤ 2.9.1
(custom)
|
Date Public
2026-04-01 16:05
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CVE-2026-27171 (GCVE-0-2026-27171)
Vulnerability from cvelistv5 – Published: 2026-02-18 02:36 – Updated: 2026-02-18 13:38
VLAI
EPSS
VEX
Summary
zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-18 13:35 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
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CVE-2026-26940 (GCVE-0-2026-26940)
Vulnerability from cvelistv5 – Published: 2026-03-19 17:14 – Updated: 2026-03-19 17:48
VLAI
EPSS
VEX
Title
Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service
Summary
Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPEC-130). The vulnerability allows an authenticated user to send a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-19 17:47 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
Impacted products
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CVE-2026-26934 (GCVE-0-2026-26934)
Vulnerability from cvelistv5 – Published: 2026-02-26 17:03 – Updated: 2026-02-26 18:28
VLAI
EPSS
VEX
Title
Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service
Summary
Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted, malformed payload causing excessive resource consumption and resulting in Kibana becoming unresponsive or crashing.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 17:51 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
Impacted products
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CVE-2026-25863 (GCVE-0-2026-25863)
Vulnerability from cvelistv5 – Published: 2026-05-04 18:29 – Updated: 2026-05-25 23:41 X_Open Source
VLAI
EPSS
VEX
Title
Conditional Fields for Contact Form 7 < 2.7.3 DoS via Uncontrolled Resource Consumption
Summary
Conditional Fields for Contact Form 7 WordPress plugin through version 2.7.2 contains an uncontrolled resource consumption vulnerability in the Wpcf7cfMailParser class where the hide_hidden_mail_fields_regex_callback() method reads an iteration count directly from user-supplied POST parameters without validation or upper bound enforcement. Unauthenticated attackers can supply an arbitrarily large integer value through the REST API endpoint to cause unbounded loop execution with multiple preg_replace() operations, exhausting server memory and crashing the PHP process.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-05 14:54 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/cf7-conditional-fie… | release-notespatch |
| https://www.vulncheck.com/advisories/conditional-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Jules Colle | Conditional Fields for Contact Form 7 |
Affected:
0 , < 2.7.3
(semver)
|
Date Public
2026-05-03 00:00
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CVE-2026-25345 (GCVE-0-2026-25345)
Vulnerability from cvelistv5 – Published: 2026-03-25 16:14 – Updated: 2026-04-28 16:14
VLAI
EPSS
VEX
Title
WordPress SimpLy Gallery plugin <= 3.3.2 - Arbitrary Code Execution vulnerability
Summary
Improper Validation of Specified Quantity in Input vulnerability in GalleryCreator SimpLy Gallery simply-gallery-block allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects SimpLy Gallery: from n/a through <= 3.3.2.
Severity
9.9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-27 14:31 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GalleryCreator | SimpLy Gallery |
Affected:
0 , ≤ 3.3.2
(custom)
|
Date Public
2026-04-22 14:18
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"datePublished": "2026-03-25T16:14:42.721Z",
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CVE-2026-21485 (GCVE-0-2026-21485)
Vulnerability from cvelistv5 – Published: 2026-01-06 03:17 – Updated: 2026-01-06 18:56
VLAI
EPSS
VEX
Title
iccDEV Undefined Behavior (UB) and Out of Memory in CIccProfile::LoadTag()
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are prone to have Undefined Behavior (UB) and Out of Memory errors. This issue is fixed in version 2.3.1.2.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-06 14:19 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/InternationalColorConsortium/i… | x_refsource_CONFIRM |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| InternationalColorConsortium | iccDEV |
Affected:
< 2.3.1.2
|
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CVE-2026-20313 (GCVE-0-2026-20313)
Vulnerability from cvelistv5 – Published: 2026-08-05 16:33 – Updated: 2026-08-14 21:00
VLAI
EPSS
VEX
CVE Program bundle warning
The CVE Program recognizes that this CVE Record provides vulnerability information that a Supplier CNA believes is very important to consumers. The CVE Program has flagged this CVE Record as it assigns a single CVE ID to a collection of individual vulnerabilities which does not align with CVE's "one vulnerability, one ID" principle, and therefore provides incomplete information. For further clarification, please see the CVE Program's blog, "Preserving Vulnerability-Level Identification" linked below. Details within the CNA container below are viewable by clicking on the CNA name.
https://www.cve.org/Media/News/item/blog/2026/06/…Title
Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20313 are related to Improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-1284.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 17:36 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Controller |
Affected:
20.6.4
Affected: 20.9.2 Affected: 20.3.6 Affected: 20.7.2 Affected: 20.7.1 Affected: 20.5.1 Affected: 20.6.2 Affected: 19.3.0 Affected: 20.6.1 Affected: 17.2.4 Affected: 18.2.0 Affected: 18.4.6 Affected: 19.1.0 Affected: 19.2.4 Affected: 19.2.929 Affected: 18.3.8 Affected: 18.4.303 Affected: 18.3.7 Affected: 18.4.1 Affected: 19.2.097 Affected: 19.2.0 Affected: 19.2.099 Affected: 18.3.6 Affected: 20.4.2 Affected: 19.0.0 Affected: 20.9.1 Affected: 20.3.5 Affected: 20.3.1 Affected: 18.3.5 Affected: 20.6.3 Affected: 18.4.3 Affected: 18.4.4 Affected: 18.3.3 Affected: 17.2.8 Affected: 20.8.1 Affected: 19.2.32 Affected: 19.2.2 Affected: 17.2.5 Affected: 18.4.0 Affected: 20.4.1.1 Affected: 20.1.3 Affected: 20.1.2 Affected: 17.2.10 Affected: 19.2.098 Affected: 20.1.1 Affected: 17.2.6 Affected: 19.2.1 Affected: 18.3.4 Affected: 20.4.1 Affected: 17.2.9 Affected: 19.2.31 Affected: 19.0.1a Affected: 18.3.0 Affected: 17.2.7 Affected: 18.4.5 Affected: 20.3.4 Affected: 20.3.3 Affected: 20.4.1.2 Affected: 20.3.2 Affected: 18.3.1 Affected: 20.1.12 Affected: 19.2.3 Affected: 20.10.1 Affected: 20.6.5 Affected: 20.3.7 Affected: 20.9.3 Affected: 20.11.1 Affected: 20.6.3.2 Affected: 20.4.2.3 Affected: 20.3.5.1 Affected: 20.3.4.3 Affected: 20.9.3.1 Affected: 20.6.4.1 Affected: 20.3.3.2 Affected: 20.6.5.2 Affected: 20.3.7.1 Affected: 20.11.1.1 Affected: 20.10.1.1 Affected: 20.6.1.2 Affected: 20.1.3.1 Affected: 20.9.2.2 Affected: 20.6.5.3 Affected: 20.6.3.3 Affected: 20.3.7.2 Affected: 20.6.5.4 Affected: 20.9.2.3 Affected: 20.9.4 Affected: 20.12.1 Affected: 20.3.8 Affected: 20.6.6 Affected: 20.12.2 Affected: 20.13.1 Affected: 20.9.5 Affected: 20.12.3 Affected: 20.6.7 Affected: 20.9.5.1 Affected: 20.14.1 Affected: 20.12.3.1 Affected: 20.12.4 Affected: 20.15.1 Affected: 20.9.6 Affected: 20.6.8 Affected: 20.16.1 Affected: 20.9.5.3 Affected: 20.12.4.1 Affected: 20.15.2 Affected: 20.12.5 Affected: 20.9.7 Affected: 20.15.3 Affected: 20.12.5.1 Affected: 20.12.5.2 Affected: 20.15.4 Affected: 20.9.7.1 Affected: 20.18.1 Affected: 20.12.6 Affected: 20.9.8 Affected: 20.15.4.1 Affected: 20.18.2 Affected: 26.1.1 Affected: 20.15.4.2 Affected: 20.18.2.1 Affected: 20.12.5.3 Affected: 20.12.6.1 Affected: 20.9.8.2 Affected: 20.15.5 Affected: 20.18.3 Affected: 20.12.7 Affected: 20.9.9 Affected: 20.18.2.2 Affected: 20.12.5.4 Affected: 20.12.7.1 Affected: 20.15.5.1 Affected: 20.15.4.3 Affected: 20.12.6.2 Affected: 20.15.5.2 Affected: 20.15.4.4 Affected: 26.1.1.1 Affected: 20.9.9.1 Affected: 20.18.3.1 Affected: 26.1.1.2 Affected: 20.15.4.5 Affected: 20.15.5.3 Affected: 20.12.7.2 Affected: 20.9.9.2 |
|
| Cisco | Cisco Catalyst SD-WAN Manager |
Affected:
20.1.12
Affected: 19.2.1 Affected: 18.4.4 Affected: 18.4.5 Affected: 20.1.1.1 Affected: 20.1.1 Affected: 19.3.0 Affected: 19.2.2 Affected: 19.2.099 Affected: 18.3.6 Affected: 18.3.7 Affected: 19.2.0 Affected: 18.3.8 Affected: 19.0.0 Affected: 19.1.0 Affected: 18.4.302 Affected: 18.4.303 Affected: 19.2.097 Affected: 19.2.098 Affected: 17.2.10 Affected: 18.3.6.1 Affected: 19.0.1a Affected: 18.2.0 Affected: 18.4.3 Affected: 18.4.1 Affected: 17.2.8 Affected: 18.3.3.1 Affected: 18.4.0 Affected: 18.3.1 Affected: 17.2.6 Affected: 17.2.9 Affected: 18.3.4 Affected: 17.2.5 Affected: 18.3.1.1 Affected: 18.3.5 Affected: 18.4.0.1 Affected: 18.3.3 Affected: 17.2.7 Affected: 17.2.4 Affected: 18.3.0 Affected: 19.2.3 Affected: 18.4.501_ES Affected: 20.3.1 Affected: 20.1.2 Affected: 19.2.929 Affected: 19.2.31 Affected: 20.3.2 Affected: 19.2.32 Affected: 20.3.2_925 Affected: 20.3.2.1 Affected: 20.3.2.1_927 Affected: 18.4.6 Affected: 20.1.2_937 Affected: 20.4.1 Affected: 20.3.2_928 Affected: 20.3.2_929 Affected: 20.4.1.0.1 Affected: 20.3.2.1_930 Affected: 19.2.4 Affected: 20.5.0.1.1 Affected: 20.4.1.1 Affected: 20.3.3 Affected: 19.2.4.0.1 Affected: 20.3.2_937 Affected: 20.3.3.1 Affected: 20.5.1 Affected: 20.1.3 Affected: 20.3.3.0.4 Affected: 20.3.3.1.2 Affected: 20.3.3.1.1 Affected: 20.4.1.2 Affected: 20.3.3.0.2 Affected: 20.4.1.1.5 Affected: 20.4.1.0.01 Affected: 20.4.1.0.02 Affected: 20.3.3.1.7 Affected: 20.3.3.1.5 Affected: 20.5.1.0.1 Affected: 20.3.3.1.10 Affected: 20.3.3.0.8 Affected: 20.4.2 Affected: 20.4.2.0.1 Affected: 20.3.4 Affected: 20.3.3.0.14 Affected: 19.2.4.0.8 Affected: 19.2.4.0.9 Affected: 20.3.4.0.1 Affected: 20.3.2.0.5 Affected: 20.6.1 Affected: 20.5.1.0.2 Affected: 20.3.3.0.17 Affected: 20.6.1.1 Affected: 20.6.0.18.3 Affected: 20.3.2.0.6 Affected: 20.6.0.18.4 Affected: 20.4.2.0.2 Affected: 20.3.3.0.16 Affected: 20.3.4.0.5 Affected: 20.6.1.0.1 Affected: 20.3.4.0.6 Affected: 20.6.2 Affected: 20.7.1EFT2 Affected: 20.3.4.0.9 Affected: 20.3.4.0.11 Affected: 20.4.2.0.4 Affected: 20.3.3.0.18 Affected: 20.7.1 Affected: 20.6.2.1 Affected: 20.3.4.1 Affected: 20.5.1.1 Affected: 20.4.2.1 Affected: 20.4.2.1.1 Affected: 20.3.4.1.1 Affected: 20.3.813 Affected: 20.3.4.0.19 Affected: 20.4.2.2.1 Affected: 20.5.1.2 Affected: 20.3.4.2 Affected: 20.3.814 Affected: 20.4.2.2 Affected: 20.6.2.2 Affected: 20.3.4.2.1 Affected: 20.7.1.1 Affected: 20.3.4.1.2 Affected: 20.6.2.2.2 Affected: 20.3.4.0.20 Affected: 20.6.2.2.3 Affected: 20.4.2.2.2 Affected: 20.3.5 Affected: 20.6.2.0.4 Affected: 20.4.2.2.3 Affected: 20.3.4.0.24 Affected: 20.6.2.2.7 Affected: 20.6.3 Affected: 20.3.4.2.2 Affected: 20.4.2.2.4 Affected: 20.7.1.0.2 Affected: 20.8.1 Affected: 20.3.5.0.8 Affected: 20.3.5.0.9 Affected: 20.4.2.2.8 Affected: 20.3.5.0.7 Affected: 20.6.3.0.7 Affected: 20.6.3.0.5 Affected: 20.6.3.0.10 Affected: 20.6.3.0.2 Affected: 20.7.2 Affected: 20.9.1EFT2 Affected: 20.6.3.0.11 Affected: 20.6.3.1 Affected: 20.6.3.0.14 Affected: 20.6.4 Affected: 20.9.1 Affected: 20.6.3.0.19 Affected: 20.6.3.0.18 Affected: 20.3.6 Affected: 20.9.1.1 Affected: 20.6.3.0.23 Affected: 20.6.4.0.4 Affected: 20.6.3.0.25 Affected: 20.6.5 Affected: 20.6.3.0.27 Affected: 20.9.2 Affected: 20.9.2.1 Affected: 20.6.3.0.29 Affected: 20.6.3.0.31 Affected: 20.6.3.0.32 Affected: 20.10.1 Affected: 20.6.3.0.33 Affected: 20.9.2.0.01 Affected: 20.9.1_LI_Images Affected: 20.10.1_LI_Images Affected: 20.9.2_LI_Images Affected: 20.3.7 Affected: 20.9.3 Affected: 20.6.5.1 Affected: 20.11.1 Affected: 20.11.1_LI_Images Affected: 20.9.3_LI_ Images Affected: 20.6.3.1.1 Affected: 20.9.3.0.2 Affected: 20.6.5.1.2 Affected: 20.9.3.0.3 Affected: 20.4.2.3 Affected: 20.6.3.2 Affected: 20.6.4.1 Affected: 20.6.3.0.38 Affected: 20.6.3.0.39 Affected: 20.3.5.1 Affected: 20.3.4.3 Affected: 20.9.3.1 Affected: 20.3.3.2 Affected: 20.6.5.2 Affected: 20.3.7.1 Affected: 20.10.1.1 Affected: 20.6.5.2.1 Affected: 20.3.4.0.25 Affected: 20.6.2.2.4 Affected: 20.6.1.2 Affected: 20.11.1.1 Affected: 20.9.3.0.5 Affected: 20.3.4.0.26 Affected: 20.6.5.1.3 Affected: 20.6.3.0.40 Affected: 20.1.3.1 Affected: 20.9.2.2 Affected: 20.6.5.2.3 Affected: 20.6.5.1.4 Affected: 20.6.5.3 Affected: 20.6.3.0.41 Affected: 20.9.3.0.7 Affected: 20.6.5.1.5 Affected: 20.9.3.0.4 Affected: 20.6.4.0.19 Affected: 20.6.5.1.6 Affected: 20.9.3.0.8 Affected: 20.6.3.3 Affected: 20.3.7.2 Affected: 20.6.5.4 Affected: 20.6.5.1.7 Affected: 20.9.3.0.12 Affected: 20.6.4.2 Affected: 20.6.5.5 Affected: 20.9.3.2 Affected: 20.11.1.2 Affected: 20.6.3.4 Affected: 20.10.1.2 Affected: 20.6.5.1.9 Affected: 20.9.3.0.16 Affected: 20.6.3.0.45 Affected: 20.6.5.1.10 Affected: 20.9.3.0.17 Affected: 20.6.5.2.4 Affected: 20.6.4.0.21 Affected: 20.9.3.0.18 Affected: 20.6.3.0.46 Affected: 20.6.3.0.47 Affected: 20.9.2.3 Affected: 20.9.3.2_LI_Images Affected: 20.9.3.0.21 Affected: 20.9.3.0.20 Affected: 20.9.4_LI_Images Affected: 20.9.4 Affected: 20.6.5.1.11 Affected: 20.12.1 Affected: 20.12.1_LI_Images Affected: 20.6.5.1.13 Affected: 20.9.3.0.23 Affected: 20.6.5.2.8 Affected: 20.9.4.1 Affected: 20.9.4.1_LI_Images Affected: 20.9.3.0.25 Affected: 20.9.3.0.24 Affected: 20.6.5.1.14 Affected: 20.3.8 Affected: 20.6.6 Affected: 20.9.3.0.26 Affected: 20.6.3.0.51 Affected: 20.9.3.0.29 Affected: 20.12.2 Affected: 20.12.2_LI_Images Affected: 20.6.6.0.1 Affected: 20.13.1_LI_Images Affected: 20.9.4.0.4 Affected: 20.13.1 Affected: 20.9.4.1.1 Affected: 20.9.5 Affected: 20.9.5_LI_Images Affected: 20.12.3_LI_Images Affected: 20.12.3 Affected: 20.9.4.1.3 Affected: 20.6.7 Affected: 20.9.5.1 Affected: 20.9.5.1_LI_Images Affected: 20.9.4.1.6 Affected: 20.14.1 Affected: 20.14.1_LI_Images Affected: 20.9.5.2 Affected: 20.9.5.2.1 Affected: 20.9.5.2_LI_Images Affected: 20.12.3.1 Affected: 20.12.4 Affected: 20.15.1_LI_Images Affected: 20.15.1 Affected: 20.9.5.1.4 Affected: 20.9.5.2.7 Affected: 20.9.5.2.13 Affected: 20.9.6 Affected: 20.9.6_LI_Images Affected: 20.9.5.2.14 Affected: 20.6.8 Affected: 20.12.4.0.03 Affected: 20.16.1 Affected: 20.16.1_LI_Images Affected: 20.12.4_LI_Images Affected: 20.9.5.2.16 Affected: 20.12.4.0.4 Affected: 20.12.401 Affected: 20.9.5.3 Affected: 20.9.5.3_LI_Images Affected: 20.12.4.1_LI_Images Affected: 20.12.4.1 Affected: 20.9.5.2.21 Affected: 20.9.6.0.3 Affected: 20.12.4.0.6 Affected: 20.15.2_LI_Images Affected: 20.15.2 Affected: 20.12.4_Monthly_ES5 Affected: 20.12.5 Affected: 20.12.5_LI_Images Affected: 20.9.7_LI _Images Affected: 20.9.7 Affected: 20.15.3 Affected: 20.15.3_ LI _Images Affected: 20.12.501 Affected: 20.12.5.1_LI_Images Affected: 20.12.5.1 Affected: 20.12.5.2_LI_Images Affected: 20.12.5.2 Affected: 20.15.3.1 Affected: 20.15.4_LI_Images Affected: 20.15.4 Affected: 20.9.7.1_LI _Images Affected: 20.9.7.1 Affected: 20.18.1 Affected: 20.18.1_LI_Images Affected: 20.12.6_LI_Images Affected: 20.12.6 Affected: 20.12.5.1.01 Affected: 26.0.1 Affected: 20.9.8 Affected: 20.9.8_LI_Images Affected: 20.18.2 Affected: 20.15.4.1_LI_Images Affected: 20.15.4.1 Affected: 20.18.2_LI_Images Affected: 26.1.1 Affected: 26.1.1_LI_Images Affected: 20.18.2.1_LI_Images Affected: 20.18.2.1 Affected: 20.15.4.2_LI_Images Affected: 20.15.4.2 Affected: 20.12.6.1 Affected: 20.12.6.1_LI_Images Affected: 20.12.5.3 Affected: 20.12.5.3_LI_Images Affected: 20.9.8.2_LI_Images Affected: 20.9.8.2 Affected: 20.18.3 Affected: 20.18.3_LI_Images Affected: 20.15.5 Affected: 20.15.5_LI_Images Affected: 20.12.7 Affected: 20.12.7_LI_Images Affected: 20.9.9 Affected: 20.9.9_LI_Images Affected: 20.18.2.2 Affected: 20.18.2.2_LI_Images Affected: 20.12.5.4 Affected: 20.12.5.4_LI_ Images Affected: 20.12.7.1_LI_Images Affected: 20.12.6.2_LI_Images Affected: 20.12.7.1 Affected: 20.15.5.1 Affected: 20.15.4.3 Affected: 20.15.4.3_LI_Images Affected: 20.15.5.1_LI_Images Affected: 20.12.6.2 Affected: 20.15.5.2 Affected: 20.15.5.2_LI_Images Affected: 26.1.1.1_LI_Images Affected: 20.15.4.4 Affected: 20.15.4.4_LI_Images Affected: 26.1.1.1 Affected: 20.9.9.1_LI_Images Affected: 20.9.9.1 Affected: 20.18.3.1_LI_Images Affected: 20.18.3.1 Affected: 26.1.1.2 Affected: 26.1.1.2_LI_Images Affected: 20.15.4.5 Affected: 20.15.4.5_LI_Images Affected: 20.15.5.3 Affected: 20.15.5.3_LI_Images Affected: 20.12.7.2_LI_Images Affected: 20.12.7.2 Affected: 20.9.9.2 Affected: 20.9.9.2_LI_Images |
{
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"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-20313",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-05T17:36:04.330137Z",
"version": "2.0.3"
},
"type": "ssvc"
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"providerMetadata": {
"dateUpdated": "2026-08-05T17:45:11.989Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"descriptions": [
{
"lang": "en",
"value": "The CVE Program recognizes that this CVE Record provides vulnerability information that a Supplier CNA believes is very important to consumers. The CVE Program has flagged this CVE Record as it assigns a single CVE ID to a collection of individual vulnerabilities which does not align with CVE\u0027s \"one vulnerability, one ID\" principle, and therefore provides incomplete information. For further clarification, please see the CVE Program\u0027s blog, \"Preserving Vulnerability-Level Identification\" linked below. Details within the CNA container below are viewable by clicking on the CNA name."
}
],
"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"references": [
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"url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification"
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"tags": [
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
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{
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{
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{
"status": "affected",
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
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{
"status": "affected",
"version": "20.4.1.1"
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{
"status": "affected",
"version": "20.3.3"
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
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{
"status": "affected",
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{
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{
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{
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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"version": "20.12.5.4_LI_ Images"
},
{
"status": "affected",
"version": "20.12.7.1_LI_Images"
},
{
"status": "affected",
"version": "20.12.6.2_LI_Images"
},
{
"status": "affected",
"version": "20.12.7.1"
},
{
"status": "affected",
"version": "20.15.5.1"
},
{
"status": "affected",
"version": "20.15.4.3"
},
{
"status": "affected",
"version": "20.15.4.3_LI_Images"
},
{
"status": "affected",
"version": "20.15.5.1_LI_Images"
},
{
"status": "affected",
"version": "20.12.6.2"
},
{
"status": "affected",
"version": "20.15.5.2"
},
{
"status": "affected",
"version": "20.15.5.2_LI_Images"
},
{
"status": "affected",
"version": "26.1.1.1_LI_Images"
},
{
"status": "affected",
"version": "20.15.4.4"
},
{
"status": "affected",
"version": "20.15.4.4_LI_Images"
},
{
"status": "affected",
"version": "26.1.1.1"
},
{
"status": "affected",
"version": "20.9.9.1_LI_Images"
},
{
"status": "affected",
"version": "20.9.9.1"
},
{
"status": "affected",
"version": "20.18.3.1_LI_Images"
},
{
"status": "affected",
"version": "20.18.3.1"
},
{
"status": "affected",
"version": "26.1.1.2"
},
{
"status": "affected",
"version": "26.1.1.2_LI_Images"
},
{
"status": "affected",
"version": "20.15.4.5"
},
{
"status": "affected",
"version": "20.15.4.5_LI_Images"
},
{
"status": "affected",
"version": "20.15.5.3"
},
{
"status": "affected",
"version": "20.15.5.3_LI_Images"
},
{
"status": "affected",
"version": "20.12.7.2_LI_Images"
},
{
"status": "affected",
"version": "20.12.7.2"
},
{
"status": "affected",
"version": "20.9.9.2"
},
{
"status": "affected",
"version": "20.9.9.2_LI_Images"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "As part of Cisco\u0027s ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20313 are related to Improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-1284."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1284",
"description": "Improper Validation of Specified Quantity in Input",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T16:33:12.827Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-hardening-sdwan-faLcR3K",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K"
}
],
"source": {
"advisory": "cisco-sa-hardening-sdwan-faLcR3K",
"defects": [
"CSCwu93233"
],
"discovery": "INTERNAL"
},
"title": "Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20313",
"datePublished": "2026-08-05T16:33:12.827Z",
"dateReserved": "2025-10-08T11:59:15.410Z",
"dateUpdated": "2026-08-14T21:00:50.858Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
No CAPEC attack patterns related to this CWE.