CVE-2025-64998
Last modified
CVE-2025-64998 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Checkmk | Checkmk | 2.2.0 |
| Checkmk | Checkmk | 2.3.0 |
| Checkmk | Checkmk | 2.4.0 |
References
- https://checkmk.com/werk/18954Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-64998?
How severe is CVE-2025-64998?
How do I fix CVE-2025-64998?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-64992A command injection vulnerability was discovered in TeamView…7.2
- CVE-2025-64993A command injection vulnerability was discovered in TeamView…7.2
- CVE-2025-64994A privilege escalation vulnerability was discovered in TeamV…6.7
- CVE-2025-64995A privilege escalation vulnerability was discovered in TeamV…6.7
- CVE-2025-64996In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all ver…4.4
- CVE-2025-64997Insufficient permission validation in Checkmk versions prior…6.5
- CVE-2025-64999Improper neutralization of input in Checkmk versions 2.4.0 b…5.4
- CVE-2025-6500A vulnerability, which was classified as critical, has been …9.8
- CVE-2025-65000SSH private keys of the "Remote alert handlers (Linux)" rule…5.3
- CVE-2025-65001Fujitsu fbiosdrv.sys before 2.5.0.0 allows an attacker to po…8.2
- CVE-2025-65002Fujitsu / Fsas Technologies iRMC S6 on M5 before 1.37S misha…7.5
- CVE-2025-65007In WODESYS WD-R608U router (also known as WDR122B V2.0 and W…8.7
Are you affected by CVE-2025-64998?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST