#VU118122 Arbitrary file upload in Cisco Unified Contact Center Express - CVE-2025-20354

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Main Vulnerability Database Vulnerabilities #VU118122

#VU118122 Arbitrary file upload in Cisco Unified Contact Center Express - CVE-2025-20354

Published: November 5, 2025


Vulnerability identifier: #VU118122
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2025-20354
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Unified Contact Center Express
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the Java Remote Method Invocation (RMI) process. A remote non-authenticated attacker can upload a malicious file and execute it on the server.


Remediation

Install updates from vendor's website.

External links