CVE-2026-20230 - Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) Vulnerability
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.
- Severity
- critical
- Product
- Cisco Unified Communications Manager
- Published
- 2026-06-25
- EPSS
- 0.882
- CISA KEV
- Known exploited
- Ransomware
- Known campaign use
References and validation
- https://github.com/search?q=CVE-2026-20230&type=repositories
- https://nvd.nist.gov/vuln/detail/CVE-2026-20230
Entries are refreshed from CISA KEV and FIRST EPSS. Validate applicability before testing.