HOMEVULNERABILITIESCVE-2025-64998
HIGH

CVE-2025-64998

CWE-522Published: March 24, 2026· Updated: Mar 24, 2026

7.3
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:10.4th

Official 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.

NVD Source

Technical Analysis

CVE-2025-64998 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionP
ScopeX
Impact
Confidentiality
Integrity
Availability
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

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (1)

Quick Facts

CVE IDCVE-2025-64998
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-522
CISA KEVNo
EPSS (30d)0.04%
PublishedMar 24, 2026

Related CVEs (CWE-522)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2025-64998 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.