CVE-2025-64998

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Checkmk GmbHCheckmk2.4.0 < 2.4.0p23affected
Checkmk GmbHCheckmk2.3.0 < 2.3.0p45affected
Checkmk GmbHCheckmk2.2.0affected

Weaknesses

  • CWE-522: CWE-522: Insufficiently Protected Credentials

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References