CVE-2025-64998
HIGH EPSS 25.3%
Published Mar 24, 20263mo ago · Modified Jun 17, 20261w ago
7.3 CVSS 4.0
Published Mar 24, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago
Description
Exposure of session signing secret in Checkmk <2.4.0p23, <2.3.0p45 and 2.2.0 allows an administrator of a remote site with config sync enabled to hijack sessions on the central site by forging session cookies.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/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 High
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
25.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-522
Affected Products 137
| 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 | 2.3.0 | 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/18954
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.