What is CVE-2025-20330?

CVE-2025-20330 is a medium-severity vulnerability in Cisco Unified Communications Manager Im And Presence Service, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-09-03.

How severe is CVE-2025-20330?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2025-20330 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Cisco Unified Communications Manager Im And Presence Service

CVE-2025-20330

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 ag…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cisco Unified Communications Manager Im And Presence Service — versions 12.5(1), 12.5(1)SU1, 12.5(1)SU2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cisco-sa-imp-xss-XQgu4HSG

Frequently asked questions

What is CVE-2025-20330?: CVE-2025-20330 is a medium-severity vulnerability in Cisco Unified Communications Manager Im And Presence Service, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-09-03.
How severe is CVE-2025-20330?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-20330 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.