What is CVE-2022-31258?

CVE-2022-31258 is a high-severity vulnerability in Checkmk, classified under Improper Link Resolution Before File Access. CVSS score: 8.2/10. Published 2022-05-20.

How severe is CVE-2022-31258?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Checkmk

CVE-2022-31258

In Checkmk before 1.6.0p29, 2.x before 2.0.0p25, and 2.1.x before 2.1.0b10, a site user can escalate to root by editing an OMD hook symlink.

Published 2022-05-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.4th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.4% 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

Checkmk — versions 1.6.0, 2.0.0, 2.1.0
Tribe29 Checkmk — versions 1.6.0b10, 1.6.0b11, 1.6.0p10

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

checkmk.com/werk/13902 (Vendor Advisory)
forum.checkmk.com/c/announcements/18 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-31258?: CVE-2022-31258 is a high-severity vulnerability in Checkmk, classified under Improper Link Resolution Before File Access. CVSS score: 8.2/10. Published 2022-05-20.
How severe is CVE-2022-31258?: High severity. CVSS v3 base score is 8.2 out of 10.