Vulnerability · Published Dec 3, 2025 · Assigned by Checkmk

CVE-2025-39665Livestatus Injection in dynmaps

Medium 6.9

In plain English

A medium-severity security flaw in Nagvis from Nagvis. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.3%top 79.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12nagvisno fix listedDEBIAN-CVE-2025-39665
Debian:13nagvisno fix listedDEBIAN-CVE-2025-39665
Debian:14nagvis1:1.9.48-1DEBIAN-CVE-2025-39665
Ubuntu:22.04:LTSnagvisno fix listedUBUNTU-CVE-2025-39665
Ubuntu:24.04:LTSnagvisno fix listedUBUNTU-CVE-2025-39665
Ubuntu:25.10nagvisno fix listedUBUNTU-CVE-2025-39665
Ubuntu:26.04:LTSnagvisno fix listedUBUNTU-CVE-2025-39665
Ubuntu:26.10nagvisno fix listedUBUNTU-CVE-2025-39665

Affected products (as reported)

VendorProductVersions
Nagvis Nagvis 1.9.0 – before 1.9.48

Weakness: CWE-203 · 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

References