CVE-2025-20376: A vulnerability in the web UI of Cisco Unified CCX could allow an authenticated, remote attacker to upload and execute…
CVE-2025-20376 · Severity: medium · CVSS 6.5 · Published 2025-11-05
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-20376 being exploited in the wild.
How severe is CVE-2025-20376?
Medium severity, with a CVSS score of 6.5, published 5 November 2025.
Which products and versions are affected?
Cisco Unified Contact Center Express. The advisory does not name versions.
Is there a fix for CVE-2025-20376?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-20376?
Check whether you run Cisco Unified Contact Center Express. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.