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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-20034

Cisco Unity Connection Remote Code Execution Vulnerability

Description

A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco Unity Connection

Default version status: unknown

  • 12.5(1)affected
  • 12.5(1)SU1affected
  • 12.5(1)SU2affected
  • 12.5(1)SU3affected
  • 12.5(1)SU4affected
  • 14affected
  • 12.5(1)SU5affected
  • 14SU1affected
  • 12.5(1)SU6affected
  • 14SU2affected
  • 12.5(1)SU7affected
  • 14SU3affected
  • 12.5(1)SU8affected
  • 14SU3aaffected
  • 12.5(1)SU8aaffected
  • 15affected
  • 15SU1affected
  • 14SU4affected
  • 12.5(1)SU9affected
  • 15SU2affected
  • 15SU3affected

References