VULNERABILITY INTELLIGENCE

CVE-2025-39665

CVSS score5.3 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2025-12-03
Last modified2026-10-18
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.

Weakness classification

  • security@checkmk.com: CWE-203

Primary references