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CVE-2024-38865

Checkmk vulnerability

8.8 HIGHEPSS 0.88%
  1. Published10 Apr 2025

Description

Improper neutralization of livestatus command delimiters in a specific endpoint within RestAPI of Checkmk prior to 2.2.0p39, 2.3.0p25, and 2.1.0p51 (EOL) allows arbitrary livestatus command execution. Exploitation requires the attacker to have a contact group assigned to their user account and for an event to originate from a host with the same contact group or from an event generated with an unknown host.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Checkmk< 2.1.0 · 2.1.0 · 2.2.0 · 2.3.0

Remediation

Fixed in
Checkmk≥ 2.1.0
Patch & vendor advisories

References

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Frequently asked

Is CVE-2024-38865 being actively exploited?

CVE-2024-38865 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.88%.

How severe is CVE-2024-38865?

CVE-2024-38865 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.88% probability of exploitation.

Which products are affected by CVE-2024-38865?

Affected products include Checkmk.

How do I fix CVE-2024-38865?

Upgrade affected software to a fixed version, for example Checkmk 2.1.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-38865 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.