What is CVE-2022-43440?

CVE-2022-43440 is a high-severity vulnerability in Checkmk, classified under Uncontrolled Search Path Element. CVSS score: 8.8/10. Published 2023-02-09.

How severe is CVE-2022-43440?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Checkmk

CVE-2022-43440

Uncontrolled Search Path Element in Checkmk Agent in Tribe29 Checkmk before 2.1.0p1, before 2.0.0p25 and before 1.6.0p29 on a Checkmk server allows the site user to escalate privileges via a manipulated unixcat executable

Published 2023-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.0th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Checkmk — versions 1.6.0, 2.0.0, 2.1.0
Tribe29 Checkmk — versions 2.1.0, 2.0.0, 1.6.0

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

checkmk.com/werk/14087 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-43440?: CVE-2022-43440 is a high-severity vulnerability in Checkmk, classified under Uncontrolled Search Path Element. CVSS score: 8.8/10. Published 2023-02-09.
How severe is CVE-2022-43440?: High severity. CVSS v3 base score is 8.8 out of 10.