CVE-2025-65000

Summary

SSH private keys of the "Remote alert handlers (Linux)" rule were exposed in the rule page's HTML source in Checkmk <= 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed.

Affected Software

VendorProductVersion RangeStatus
Checkmk GmbHCheckmk2.4.0 < 2.4.0p18affected
Checkmk GmbHCheckmk2.3.0affected

Weaknesses

  • CWE-212: CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer

ADP Enrichment

CISA ADP Vulnrichment

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

References