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Checkmk CVE-2024-28830

LOW
Insertion of Sensitive Information into Log File (CWE-532)
2024-06-26 security@checkmk.com
2.7
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A09:2025 - Security Logging & Alerting Failures
ASVS 5.0
V16 - Security Logging and Error Handling Log data sanitization
Impact

CVSS score of 2.7 (LOW). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the low-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

Insertion of Sensitive Information into Log File in Checkmk GmbH's Checkmk versions <2.3.0p7, <2.2.0p28, <2.1.0p45 and <=2.0.0p39 (EOL) causes automation user secrets to be written to audit log files. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-532. Insertion of Sensitive Information into Log File in Checkmk GmbH's Checkmk versions <2.3.0p7, <2.2.0p28, <2.1.0p45 and <=2.0.0p39 (EOL) causes automation user secrets to be written to audit log files accessible to administrators. Affected products include: Checkmk.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 2.7 LOW
AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionNVD

Insertion of Sensitive Information into Log File in Checkmk GmbH's Checkmk versions <2.3.0p7, <2.2.0p28, <2.1.0p45 and <=2.0.0p39 (EOL) causes automation user secrets to be written to audit log files accessible to administrators.

Threat Intelligence Overview

EPSS Score
0.3%
Top 74% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Low

Priority Score

14
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +14
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:-:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b1:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b2:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b3:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b4:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b5:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b6:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b7:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b8:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b9:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p1:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p10:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p11:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p12:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p13:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p14:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p15:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p16:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p17:*:*:*:*:*:*
+ 85 more
CVE-2017-14955 MEDIUM POC
5.9 Oct 02

Check_MK before 1.2.8p26 mishandles certain errors within the failed-login save feature because of a race condition, whi

CVE-2021-40904 HIGH POC
8.8 Mar 25

The web management console of CheckMK Raw Edition (versions 1.5.0 to 1.6.0) allows a misconfiguration of the web-app Dok

CVE-2021-40905 HIGH POC
8.8 Mar 25

The web management console of CheckMK Enterprise Edition (versions 1.5.0 to 2.0.0p9) does not properly sanitise the uplo

CVE-2025-32919 HIGH POC
8.8 Oct 09

Local privilege escalation in the Checkmk Windows Agent's Windows License plugin allows an authenticated low-privileged

CVE-2025-39663 HIGH POC
8.5 Oct 30

Stored/transmitted cross-site scripting in Checkmk's distributed monitoring lets an attacker who already controls a remo

CVE-2025-39664 HIGH POC
7.1 Oct 09

Authenticated path traversal in Checkmk's report scheduler lets a user with valid application credentials write report f

CVE-2024-28825 CRITICAL
9.8 Apr 24

Improper restriction of excessive authentication attempts on some authentication methods in Checkmk before 2.3.0b5 (beta

CVE-2021-36563 MEDIUM POC
5.4 Jul 26

The CheckMK management web console (versions 1.5.0 to 2.0.0) does not sanitise user input in various parameters of the W

CVE-2025-39666 CRITICAL
9.3 Apr 07

Local privilege escalation in Checkmk allows site users with high privileges to escalate to root by manipulating site co

CVE-2024-8606 CRITICAL
9.2 Sep 23

Bypass of two factor authentication in RestAPI in Checkmk < 2.3.0p16 and < 2.2.0p34 allows authenticated users to bypass

CVE-2023-31209 HIGH
8.8 Aug 10

Improper neutralization of active check command arguments in Checkmk < 2.1.0p32, < 2.0.0p38, < 2.2.0p4 leads to arbitrar

CVE-2023-31208 HIGH
8.8 May 17

Improper neutralization of livestatus command delimiters in the RestAPI in Checkmk < 2.0.0p36, < 2.1.0p28, and < 2.2.0b8

References

Advisories & patches

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