Critical severity10.0NVD Advisory· Published Aug 19, 2026· Updated Aug 19, 2026

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.

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Crossworkllm-fuzzy

Patches

Vulnerability mechanics

References

sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-crosswork-UzDTU9Vhnvd
www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identificationnvd

News mentions

No linked articles in our index yet.

cvss	0.650
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000