CVE-2025-20354
Cisco Unified Contact Center Express Remote Code Execution Vulnerability
Severity
Critical 9.8
CVSS 3.1
Exploited
Not listed
EPSS
0.009
55.2th percentile
Discovered by
Third party
Published by the vendor
Published
Nov 5, 2025
Assigned by cisco
Description
A vulnerability in the Java Remote Method Invocation (RMI) process of Cisco Unified CCX could allow an unauthenticated, remote attacker to upload arbitrary files and execute arbitrary commands with root permissions on an affected system. This vulnerability is due to improper authentication mechanisms that are associated to specific Cisco Unified CCX features. An attacker could exploit this vulnerability by uploading a crafted file to an affected system through the Java RMI process. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root.
Weakness: CWE-434
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Contact Center | Other Products | cna-assigner |
Vendor-reported affected versions (1)
- Cisco · Cisco Unified Contact Center Express