unified communications manager vulnerabilities and fixes

Recent CVEs affecting unified communications manager, with upgrade or downgrade steps. 1 tracked.

Also searched as: unifiedcommunicationsmanager.

unified communications manager has 1 tracked vulnerability, 0 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-06-03. Highest priority: CVE-2026-20230 (score 90/100).

• CVE-2026-20230 HIGH 8.6 EXPLOITED UPGRADE Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) Vulnerability

FAQ

How do I fix unified communications manager vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is unified communications manager being exploited right now?

Yes: 1 unified communications manager CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which unified communications manager CVE should I patch first?

CVE-2026-20230 currently ranks highest (90/100): Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) Vulnerability.

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