CVE-2025-39665

MediumCVSS 5.3/10Last modified Oct 18, 2026

Description

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

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-203

Affected software

No affected versions have been published.

Timeline

Published
Dec 3, 2025
Last modified
Oct 18, 2026
NVD status
Analyzed

Related CVEs from 2025

CVE-2025-396667.3Local privilege escalation in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) beCVE-2025-39675.4A vulnerability was found in itwanger paicoding 1.0.3. It has been classified as critical. This affects an unknown part of the file /articleCVE-2025-396734.7In the Linux kernel, the following vulnerability has been resolved: ppp: fix race conditions in ppp_fill_forward_path ppp_fill_forward_patCVE-2025-396745.5In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: ufs-qcom: Fix ESI null pointer dereference ESI/MSI is a perCVE-2025-396755.5In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null pointer check in mod_hdcp_hdcp1_create_sessioCVE-2025-396765.5In the Linux kernel, the following vulnerability has been resolved: scsi: qla4xxx: Prevent a potential error pointer dereference The qla4xCVE-2025-396775.5In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdisc_dequeue_internal This issueCVE-2025-396785.5In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/hsmp: Ensure sock->metric_tbl_addr is non-NULL If metCVE-2025-396795.5In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/nvif: Fix potential memory leak in nvif_vmm_ctor(). When tCVE-2025-39688.8A vulnerability was found in codeprojects News Publishing Site Dashboard 1.0. It has been declared as critical. This vulnerability affects uCVE-2025-396807.1In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer The dataCVE-2025-396815.5In the Linux kernel, the following vulnerability has been resolved: x86/cpu/hygon: Add missing resctrl_cpu_detect() in bsp_init helper Sin
CVE-2025-39665: Medium severity, CVSS 5.3 | Vulnix