{"id":"CVE-2026-20313","aliases":["EUVD-2026-53476","GHSA-r6pm-fp8r-q7p6"],"status":"published","title":"Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities","description":"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.\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.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00417,"percentile":0.36461,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1284"],"published":"2026-08-05T16:33:12Z","modified":"2026-10-23T21:10:00Z","products":[{"vendor":"cisco","product":"cisco catalyst sd-wan controller"},{"vendor":"cisco","product":"cisco catalyst sd-wan manager"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K"},{"url":"https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20313"},{"url":"https://github.com/advisories/GHSA-r6pm-fp8r-q7p6"}],"sources":{"cve":[{"id":"CVE-2026-20313","title":"Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities","description":"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.\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.","status":"published","published":"2026-08-05T16:33:12.827Z","modified":"2026-08-14T21:00:50.858Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T13:35:55.731353Z"}],"euvd":[{"id":"EUVD-2026-53476","description":"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.\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.","status":"published","published":"2026-08-05T16:33:12Z","modified":"2026-08-14T21:00:50Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:53.534541Z"}],"ghsa":[{"id":"GHSA-r6pm-fp8r-q7p6","title":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco...","description":"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.\n\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.","status":"published","published":"2026-08-05T18:31:40Z","modified":"2026-08-14T21:31:15Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T15:10:29.313415Z"}],"nvd":[{"id":"CVE-2026-20313","description":"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.\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.","status":"published","published":"2026-08-05T17:16:52.437Z","modified":"2026-10-23T21:10:00.157Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:12:35.031043Z"}]}}