What is CVE-2024-6747?

CVE-2024-6747 is a medium-severity vulnerability in Checkmk, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.3/10. Published 2024-10-10.

How severe is CVE-2024-6747?

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

Information disclosure in Checkmk

CVE-2024-6747

Information leakage in mknotifyd in Checkmk before 2.3.0p18, 2.2.0p36, 2.1.0p49 and in 2.0.0p39 (EOL) allows attacker to get potentially sensitive data

Published 2024-10-10 · 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: 0.004 (29.4th percentile), scored 2026-09-30.

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

Checkmk — versions 2.1.0, 2.2.0, 2.3.0
Checkmk Gmbh — versions 2.3.0, 2.2.0, 2.1.0

Weakness classification (CWE)

References

checkmk.com/werk/17145 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-6747?: CVE-2024-6747 is a medium-severity vulnerability in Checkmk, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.3/10. Published 2024-10-10.
How severe is CVE-2024-6747?: Medium severity. CVSS v3 base score is 5.3 out of 10.