CVE-2025-20354

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.

Data: Cisco advisories · Cisco CSAF · NVD CVEs · NVD CPEs · CISA KEV · EPSS

SeverityCRITICAL
CVSS9.8
EPSS0.18% EPSS low
CWECWE-434
KEV
Published
Modified

Products with public affected evidence

Product Advisory Affected evidence
Cisco Unified Contact Center Express cisco-sa-cc-unauth-rce-QeN8h7mQ structured affected CSAF product_status