CVE-2026-20304
No fix known EPSS <1%CVSS 9.9
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 a software hardening release that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20304 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.
Products: Cisco Catalyst SD-WAN Controller, Cisco Catalyst SD-WAN Manager