Cisco Unified Communications Manager
CriticalNetworkCVE-2026-20230
Actively exploited. Listed in CISA’s Known Exploited Vulnerabilities catalog: exploitation is observed, not theoretical.
What to do
Check the vendor advisory for the fixed version. This flaw is being actively exploited: patch now.
A server-side request forgery flaw affects Cisco Unified Communications Manager. Apply the vendor’s patch. It is being actively exploited: patch now.
What the flaw allows: The server can be made to reach internal resources.
- Ecosystem
- Network appliance
- Class
- Server-side request forgery
- Published on
- June 25, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.