Vulnerability · Published Nov 5, 2025 · Assigned by cisco

CVE-2025-20376Cisco Unified Contact Center Express Remote Code Execution Vulnerability

Medium 6.5

In plain English

A medium-severity unrestricted file upload in Cisco Unified Contact Center Express from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 58.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Unified Contact Center Express 10.5(1)SU110.6(1)11.6(1)10.6(1)SU110.6(1)SU311.6(2)12.0(1)11.0(1)SU1

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

References