Checkmk: >> Checkmk >> 2.0.0 Security Vulnerabilities
In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin's output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data.
CVSS Score
4.4
EPSS Score
0.0
Published
2025-11-18
Cross-Site Scripting (XSS) vulnerability in Checkmk's distributed monitoring allows a compromised remote site to inject malicious HTML code into service outputs in the central site. Affecting Checkmk before 2.4.0p14, 2.3.0p39, 2.2.0 and 2.1.0 (eol).
CVSS Score
8.4
EPSS Score
0.001
Published
2025-10-30
Insertion of Sensitive Information into Log File in Checkmk GmbH's Checkmk versions <2.3.0p18, <2.2.0p35, <2.1.0p48 and <=2.0.0p39 (EOL) causes SNMP and IMPI secrets of host and folder properties to be written to audit log files accessible to administrators.
CVSS Score
4.4
EPSS Score
0.002
Published
2024-10-14
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
CVSS Score
5.3
EPSS Score
0.003
Published
2024-10-10
Improper host key checking in active check 'Check SFTP Service' and special agent 'VNX quotas and filesystem' in Checkmk before Checkmk 2.3.0p15, 2.2.0p33, 2.1.0p48 and 2.0.0 (EOL) allows man-in-the-middle attackers to intercept traffic
CVSS Score
7.4
EPSS Score
0.002
Published
2024-09-09
Improper neutralization of input in Checkmk before version 2.3.0p14 allows attackers to inject and run malicious scripts in the Robotmk logs view.
CVSS Score
6.1
EPSS Score
0.009
Published
2024-09-02
XSS in the view page with the SLA column configured in Checkmk versions prior to 2.3.0p14, 2.2.0p33, 2.1.0p47 and 2.0.0 (EOL) allowed malicious users to execute arbitrary scripts by injecting HTML elements into the SLA column title. These scripts could be executed when the view page was cloned by other users.
CVSS Score
6.1
EPSS Score
0.013
Published
2024-08-26
Least privilege violation and reliance on untrusted inputs in the mk_informix Checkmk agent plugin before Checkmk 2.3.0p12, 2.2.0p32, 2.1.0p47 and 2.0.0 (EOL) allows local users to escalate privileges.
CVSS Score
7.8
EPSS Score
0.001
Published
2024-08-20
Improper neutralization of livestatus command delimiters in mknotifyd in Checkmk <= 2.0.0p39, < 2.1.0p47, < 2.2.0p32 and < 2.3.0p11 allows arbitrary livestatus command execution.
CVSS Score
6.5
EPSS Score
0.002
Published
2024-07-22
Incorrect permissions on the Checkmk Windows Agent's data directory in Checkmk < 2.3.0p8, < 2.2.0p29, < 2.1.0p45, and <= 2.0.0p39 (EOL) allows a local attacker to gain SYSTEM privileges.
CVSS Score
8.8
EPSS Score
0.001
Published
2024-07-10
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