Cisco Patches CVE-2026-20230 in Unified CM as Exploit Code Goes Public
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-20309 | A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could… | 10.0 | 1% | ||
| CVE-2026-20045 | Unauthenticated RCE to root in Cisco Unified Communications products | 9.8 | 5% | KEV | KEV |
| CVE-2026-20230 | SSRF in Cisco Unified Communications Manager Enables Root Escalation | 8.6 | 89% | KEVPoC | KEV |
From the original article
2 min read at thehackernews.com
Swati Khandelwal Jun 04, 2026 Vulnerability / Network Security Cisco has patched a bug in Unified Communications Manager that lets an unauthenticated attacker on the network write files to the box and, from there, climb to root. It is tracked as CVE-2026-20230 , and proof-of-concept exploit code is already public. Cisco's PSIRT says it has not seen the flaw used in attacks yet.
By @TheHackersNews · thehackernews.com
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