CVE-2025-20358Missing Authentication for Critical Function in Cisco Unified Contact Center Express

Severity
9.8CRITICALNVD
CNA9.4
EPSS
0.4%
top 39.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 5

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 a

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

NVDcisco/unified_contact_center_express< 12.5\(1\)_su03_es07+1

🔴Vulnerability Details

2
CVEList
Cisco Unified Contact Center Express Editor Authentication Bypass Vulnerability2025-11-05
GHSA
GHSA-w3hc-3vf9-xjj9: A vulnerability in the Contact Center Express (CCX) Editor application of Cisco Unified CCX could allow an unauthenticated, remote attacker to bypass2025-11-05

📋Vendor Advisories

1
Cisco
Cisco Unified Contact Center Express Remote Code Execution Vulnerabilities2025-11-05
CVE-2025-20358 — Cisco vulnerability | cvebase