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CVE-2026-20034

8.8 high SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.8 · ciscoNVD modified 2026-10-26 19:10

Affected (CPE criteria) 10

  • cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:14.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:14su1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:14su2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:14su3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:14su4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:15.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:15su1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:15su2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unity_connection:15su3:*:*:*:*:*:*:*

References 1