netVigilance Vulnerability intelligence since 2004
CVE-2026-20045 · netVigilance record NV26-0005

Cisco Unified Communications Products Code Injection

past due

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA deadline 2026-02-11 · passed 6 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Cisco Unified Communications Manager. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-94.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 6 months ago

Sources