Arbitrary file upload in Cisco Unified Contact Center Express (Unified CCX) - CVE-2025-20375
Published: November 6, 2025
Vulnerability identifier: #VU118148
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-20375
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote privileged user can upload a malicious file and execute it on the server.
Affected software
Cisco Unified Contact Center Express (Unified CCX)
How to mitigate CVE-2025-20375
Install updates from vendor's website.
Cisco Unified Contact Center Express (Unified CCX) - addressed in versions 12.5 SU3 ES07, 15.0 ES01