Cisco Unified Communications Manager: Cisco Unified Communications Products Code Injection Vulnerability
› Cisco Unified Communications Manager
Get an email when a new major security incident drops. No spam, unsubscribe any time.
- started
- Jan 21, 2026
- closed
- Jan 21, 2026
- CVEs
- 1
- sources
- 3
## summary
Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unity Connection, and Cisco Webex Calling Dedicated Instance contain a code injection vulnerability that could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root. Added to CISA KEV on 2026-01-21.
severity: Actively exploited (CISA KEV)
## cve ids[1]
## affected
- See vendor advisory / CISA notes (versions not always listed in KEV feed)
## fixed in
- See vendor advisory linked in sources
## timeline[1]
CISA added CVE-2026-20045 to the KEV catalog (due 2026-02-11).
## advisories[3]
## notes & caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).
