What is CVE-2022-48318?

CVE-2022-48318 is a medium-severity vulnerability in Checkmk, classified under Missing Authorization. CVSS score: 5.3/10. Published 2023-02-20.

How severe is CVE-2022-48318?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Checkmk

CVE-2022-48318

No authorisation controls in the RestAPI documentation for Tribe29's Checkmk <= 2.1.0p13 and Checkmk <= 2.0.0p29 which may lead to unintended information disclosure through automatically generated user specific tags within Rest API documentation.

Vulnerability class: Broken Access Control

Published 2023-02-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

checkmk.com/werk/14509 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-48318?: CVE-2022-48318 is a medium-severity vulnerability in Checkmk, classified under Missing Authorization. CVSS score: 5.3/10. Published 2023-02-20.
How severe is CVE-2022-48318?: Medium severity. CVSS v3 base score is 5.3 out of 10.