CVE-2026-20230

Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) Vulnerability
88.5%
EPSS
100%
Percentile
Yes
Known exploited
0
APAC news · 90d
Summary

Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) contain a server-side request forgery (SSRF) Vulnerability that could allow an unauthenticated, remote attacker to write files to the underlying operating system that could be used later to elevate to root.

Vendor
Cisco
Product
Unified Communications Manager
Added to KEV
Jun 25, 2026
Remediation due
Jun 28, 2026 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-918
EPSS
88.5% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded