What is CVE-2024-47092?

CVE-2024-47092 is a critical-severity vulnerability in Heinlein-Support Check Mk Python API, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-03-03.

How severe is CVE-2024-47092?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Heinlein-Support Check Mk Python API

CVE-2024-47092

Insecure deserialization and improper certificate validation in Checkmk Exchange plugin check-mk-api prior to 5.8.1

Vulnerability class: Insecure Deserialization

Published 2025-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Heinlein-Support Check Mk Python API

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

exchange.checkmk.com/p/check-mk-api (Product, product)
github.com/HeinleinSupport/check_mk_extensions/commit/b5a2a7529e3367d7a643e66f0… (Patch, patch)

Frequently asked questions

What is CVE-2024-47092?: CVE-2024-47092 is a critical-severity vulnerability in Heinlein-Support Check Mk Python API, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-03-03.
How severe is CVE-2024-47092?: Critical severity. CVSS v3 base score is 9.8 out of 10.