{"id":"CVE-2026-20357","aliases":["EUVD-2026-62565","GHSA-454f-rj63-3rwv"],"status":"published","title":"Cisco Crosswork Security Hardening Release: August 2026","description":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20357 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00615,"percentile":0.49807,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-08-19T16:18:44Z","modified":"2026-08-21T17:16:30Z","products":[{"vendor":"cisco","product":"cisco crosswork planning"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-crosswork-UzDTU9Vh"},{"url":"https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20357"},{"url":"https://github.com/advisories/GHSA-454f-rj63-3rwv"}],"sources":{"cve":[{"id":"CVE-2026-20357","title":"Cisco Crosswork Security Hardening Release: August 2026","description":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20357 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.","status":"published","published":"2026-08-19T16:18:44.465Z","modified":"2026-08-21T16:16:10.667Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-62565","description":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20357 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.","status":"published","published":"2026-08-19T16:18:44Z","modified":"2026-08-21T16:16:10Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:37.531944Z"}],"ghsa":[{"id":"GHSA-454f-rj63-3rwv","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 Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\n\nThe vulnerabilities tracked by CVE-2026-20357 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.","status":"published","published":"2026-08-19T18:32:50Z","modified":"2026-08-19T21:30:29Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:10:44.12734Z"}],"nvd":[{"id":"CVE-2026-20357","description":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20357 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.","status":"published","published":"2026-08-19T17:18:40.697Z","modified":"2026-08-21T17:16:30.457Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:39.962615Z"}]}}