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

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Nagvis
  • Nagvis

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/NagVis/nagvis/pull/411/commits/4acabcf9d5b2d26f390e760f59def8e163908d66 cve-icon cve-icon
https://www.nagvis.org/downloads/changelog/1.9.48 cve-icon cve-icon
History

Wed, 03 Dec 2025 10:00:00 +0000

Type Values Removed Values Added
Description User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.
Title Livestatus Injection in dynmaps
First Time appeared Nagvis
Nagvis nagvis
Weaknesses CWE-203
CPEs cpe:2.3:a:nagvis:nagvis:*:*:*:*:*:*:*:*
Vendors & Products Nagvis
Nagvis nagvis
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: Checkmk

Published:

Updated: 2025-12-03T09:55:41.096Z

Reserved: 2025-04-16T07:07:38.256Z

Link: CVE-2025-39665

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-03T10:15:47.913

Modified: 2025-12-03T10:15:47.913

Link: CVE-2025-39665

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.