CVE-2025-20376CWE-434unrestricted-file-upload

CVE-2025-20376

Medium · published November 5, 2025

CVSS v3.1
6.5
EPSS
0%
Percentile
40.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00478 · 40.3th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-11-05T22:15Z
Affected products (2)
ProductVersionsFixed in
cisco/unified_contact_center_express< 12.5\(1\)_su03_es0712.5\(1\)_su03_es07
cisco/unified_contact_center_expressall versions—
References (1)
EPSS history
Timeline
  • 05 NOV 16:31Z
    Cisco Unified Contact Center Express Remote Code Execution Vulnerability
    cvelistv5