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CVE-2026-20045 — Actively Exploited: Unified Communications Manager (Cisco)

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 tha

CVE IDCVE-2026-20045
VendorCisco
ProductUnified Communications Manager
Vulnerability nameCisco Unified Communications Products Code Injection Vulnerability
Date added2026-01-21
Remediation due2026-02-11
Known ransomware useUnknown
Required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
DescriptionCisco 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 operati
SourceCISA Known Exploited Vulnerabilities

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