CVE-2025-39665

User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CheckmkCNA
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
VendorProductVersion
nagvisnagvis
𝑥
< 1.9.48
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/NagVis/nagvis/pull/411/commits/4acabcf9d5b2d26f390e760f59def8e163908d66
https://www.nagvis.org/downloads/changelog/1.9.48