CVE detail

CVE-2025-20354 — CVE-2025-20354

Published 2025-11-05 · Modified 2026-06-17 · Vendor cisco · Product unified_contact_center_express · Source nvd
CRITICAL
severity
CVSS-derived band
9.8
CVSS v3
0–10 scale
0.0087
EPSS probability
exploitation probability, 30d
55.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

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.

Remediation

ProductVulnerable rangeFixed versionAdvisory
Cisco Cisco Unified Contact Center Expressnot specifiedadvisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.