Information leak in mknotifyd

published 2024-10-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-47784

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

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

Patch / fix

fixed in 2

Checkmk GmbH Checkmk 2.1.0p49, 2.2.0p36, 2.3.0p18
checkmk checkmk 2.0.0p39, 2.1.0p49, 2.2.0p36, 2.3.0p18

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-10-10)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Checkmk GmbH Checkmk
checkmk checkmk

Classification

Weakness

CWE-201 Insertion of Sensitive Information Into Sent Data
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

checkmk.com /werk/17145
vendor-advisory

Sources

CVE List CVE-2024-6747
NVD CVE-2024-6747

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary