CVE-2025-20376

Cisco Unified Contact Center Express Remote Code Execution Vulnerability

State
Published
Severity
6.5 Medium
Published
Nov 5, 2025
Updated
Feb 26, 2026
Reserved
Oct 10, 2024

Read the record on cve.org

Description

A vulnerability in the web UI of Cisco Unified CCX could allow an authenticated, remote attacker to upload and execute arbitrary files.

This vulnerability is due to an insufficient input validation associated to file upload mechanisms. An attacker could exploit this vulnerability by uploading a malicious file to the web UI and executing it. A successful exploit could allow the attacker to execute arbitrary commands on the underlying system and elevate privileges to root. To exploit this vulnerability, the attacker must have valid administrative credentials.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Ncisco

Weaknesses

  • CWE-434 Unrestricted Upload of File with Dangerous Type

Affected Products

ProductVersions
Cisco Unified Contact Center ExpressCisco
  • 10.5(1)SU1Affected
  • 10.6(1)Affected
  • 11.6(1)Affected
  • 10.6(1)SU1Affected
  • 10.6(1)SU3Affected
  • 11.6(2)Affected
  • 12.0(1)Affected
  • 11.0(1)SU1Affected
  • 11.5(1)SU1Affected
  • 10.5(1)Affected
  • 12.5(1)Affected
  • 12.5(1)SU1Affected
  • 12.5(1)SU2Affected
  • 12.5(1)SU3Affected
  • 12.5(1)_SU03_ES01Affected
  • 12.5(1)_SU03_ES02Affected
  • 12.5(1)_SU02_ES03Affected
  • 12.5(1)_SU02_ES04Affected
  • 12.5(1)_SU02_ES02Affected
  • 12.5(1)_SU01_ES02Affected
  • 12.5(1)_SU01_ES03Affected
  • 12.5(1)_SU02_ES01Affected
  • 11.6(2)ES07Affected
  • 11.6(2)ES08Affected
  • 12.5(1)_SU01_ES01Affected
  • and 32 more versions

References

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