CVE-2025-20358

Cisco Unified Contact Center Express Editor Authentication Bypass Vulnerability

Severity
Critical 9.4
CVSS 3.1
Exploited
Not listed
EPSS
0.009
58.8th percentile
Discovered by
Third party
Vendor-published field
Published
Nov 5, 2025
Assigned by cisco

Description

A vulnerability in the Contact Center Express (CCX) Editor application of Cisco Unified CCX could allow an unauthenticated, remote attacker to bypass authentication and obtain administrative permissions pertaining to script creation and execution. This vulnerability is due to improper authentication mechanisms in the communication between the CCX Editor and an affected Unified CCX server. An attacker could exploit this vulnerability by redirecting the authentication flow to a malicious server and tricking the CCX Editor into believing the authentication was successful. A successful exploit could allow the attacker to create and execute arbitrary scripts on the underlying operating system of an affected Unified CCX server, as an internal non-root user account.

Weakness: CWE-306

Affected products

Vendor Product Category Matched by
Cisco Cisco Contact Center Other Products cna-assigner
Vendor-reported products (1)
  • Cisco · Cisco Unified Contact Center Express

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