CVE-2025-39665

| EUVD-2025-200737 MEDIUM
2025-12-03 [email protected]
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 15, 2026 - 16:14 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 16:14 euvd
EUVD-2025-200737
Patch Released
Mar 15, 2026 - 16:14 nvd
Patch available
CVE Published
Dec 03, 2025 - 10:15 nvd
MEDIUM 5.3

Tags

Information Disclosure Ubuntu Debian Nagvis

Description

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

Analysis

CVE-2025-39665 is a security vulnerability (CVSS 5.3) that allows an unauthenticated attacker. Remediation should follow standard vulnerability management procedures. Vendor patch is available.

Technical Context

Vulnerability type not specified by vendor.

Affected Products

['Unspecified product']

Remediation

Apply the vendor-supplied patch immediately.

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +26
POC: 0

Vendor Status

Ubuntu

Priority: Medium
nagvis
Release Status Version
xenial needs-triage -
bionic needs-triage -
jammy needs-triage -
noble needs-triage -
questing needs-triage -
upstream released 1:1.9.48-1
plucky ignored end of life, was needs-triage

Debian

nagvis
Release Status Fixed Version Urgency
bullseye vulnerable 1:1.9.25-2 -
bullseye (security) vulnerable 1:1.9.25-2+deb11u2 -
bookworm vulnerable 1:1.9.34-1 -
trixie vulnerable 1:1.9.47-1 -
forky, sid fixed 1:1.9.48-1 -
(unstable) fixed 1:1.9.48-1 -

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CVE-2025-39665 vulnerability details – vuln.today
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