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CVE-2025-65000

Exposure of SSH Private Keys in Remote Alert Handlers (Linux) Rule

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.4.0p18
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Checkmk GmbH Checkmk

    From 2.4.0 · fixed in 2.4.0p18

References 1

checkmk.com