CVE-2025-20354

critical · 9.8

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.

9.8

CVSS

0.9%

EPSS (exploit prob.)

57th

EPSS percentile

2025-11-05

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-434

Affected products

Vendor	Product	Affected versions
cisco	unified_contact_center_express	< 12.5\(1\)_su03_es07
cisco	unified_contact_center_express	15.0

Check a specific version with /api/v1/cve/match.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cc-unauth-rce-QeN8h7mQ

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-20354