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. The 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.
History

Thu, 20 Aug 2026 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco cisco Crosswork Planning
Vendors & Products Cisco
Cisco cisco Crosswork Planning

Wed, 19 Aug 2026 19:30:00 +0000


Wed, 19 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
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. The 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.
Title Cisco Crosswork Security Hardening Release: August 2026
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-08-19T18:31:51.391Z

Reserved: 2025-10-08T11:59:15.414Z

Link: CVE-2026-20357

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-19T17:18:40.697

Modified: 2026-08-19T19:17:13.643

Link: CVE-2026-20357

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-20T09:08:57Z