CVE-2026-24097
MEDIUM EPSS 14.6%
Published Mar 13, 20263mo ago · Modified Mar 18, 20263mo ago
5.3 CVSS 4.0
Published Mar 13, 2026 3mo ago
Last Modified Mar 18, 2026 3mo ago
Description
Improper permission enforcement in Checkmk versions 2.4.0 before 2.4.0p23, 2.3.0 before 2.3.0p43, and 2.2.0 (EOL) allows authenticated users to enumerate existing hosts by observing different HTTP response codes in agent-receiver/register_existing endpoint, which could lead to information disclosure.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
14.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-204
Affected Products 135
| Vendor | Product | Version | Range |
|---|---|---|---|
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.2.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.3.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
| checkmk | checkmk | 2.4.0 | any |
References 1
- checkmk.com https://checkmk.com/werk/18993
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.