What’s Vulnerable › Vulnerabilities
CVE-2025-20330: Cisco Unified Communications Manager IM and Presence Cross-Site Scripting Vulnerability
- Severity: medium (CVSS 6.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-09-03 · updated 2026-10-01
- Weakness: CWE-79
Description
A vulnerability in the web-based management interface of Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Affected products
- Cisco Unified Communications Manager IM and Presence Service: from 15.0 before 15su3; 12.5, 14.0 — fixed in 15su3
How to fix
Upgrade to a fixed version: Cisco Unified Communications Manager IM and Presence Service 15su3. Check the vendor advisory for mitigations.
References
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