PT-2025-48802 · Checkmk+3 · Checkmk+3

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CVE-2025-39665

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Published

2025-12-03

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Updated

2025-12-19

CVSS v4.0

6.9

Medium

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions Nagvis Checkmk MultisiteAuth versions prior to 1.9.48
Description An unauthenticated attacker can enumerate Checkmk usernames. This issue affects the user enumeration functionality within the software.
Recommendations Update to version 1.9.48 or later.

Exploit

Fix

Side Channel Attack

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Weakness Enumeration

Related Identifiers

CVE-2025-39665

Affected Products

Checkmk
Checkmk Multisiteauth
Debian
Nagvis