Medium severity · published Mar 26, 2025
CVE-2025-2596
Session logout can be overwritten by long lasting request
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Session logout could be overwritten in Checkmk GmbH's Checkmk versions <2.3.0p30, <2.2.0p41, and 2.1.0p49 (EOL)
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Checkmk · Checkmk GmbH
2.4.0 before 2.4.0b2; 2.3.0 before 2.3.0p30; 2.2.0 before 2.2.0p41; 2.1.0 through 2.1.0p50 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-2596
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-2596
Vendor Advisory
https://checkmk.com/werk/17808
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