CVE-2025-39665 describes a user enumeration vulnerability in Nagvis' Checkmk MultisiteAuth, affecting versions prior to 1.9.48. An unauthenticated attacker can exploit this flaw to discover valid Checkmk usernames. Rated as Medium severity (CVSS 5.3), this vulnerability has a low impact on confidentiality and requires no user interaction or privileges. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.9.48CPE matchmatch criteria | cpe:2.3:a:nagvis:nagvis:*:*:*:*:*:*:*:* | ||
>= 1.9.0, < 1.9.48CPE match | cpe:2.3:a:nagvis:nagvis:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.