Back to Database
Status published
High
CVE-2023-6740
Privilege escalation in jar_signature
Vulnerability Description
Privilege escalation in jar_signature agent plugin in Checkmk before 2.2.0p18, 2.1.0p38 and 2.0.0p39 allows local user to escalate privileges
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-6740
Credits & Attribution
No credits recorded in the NVD database.
References
More from Checkmk GmbH
View All →CVE-2025-65000
Exposure of SSH Private Keys in Remote Alert Handlers (Linux) Rule
Low
2.3
CVE-2025-64999
Cross-site scripting in HTML logs of Synthetic Monitoring test services
High
7.3
CVE-2025-64998
Session hijacking via exposed session signing secret in distributed Checkmk setups
High
7.3
CVE-2025-64997
Insufficient permission validation when showing agent information
Medium
6.3
CVE-2025-64996
Overly broad file permissions in the mk_inotify plugin allows reading and manipulating the plugin's output
Medium
4.8
Affected Vendor
Checkmk GmbH
View all reports →Affected Software
Checkmk
Vulnerable Versions:
2.2.0, 2.1.0, 2.0.0
Timeline
Official Publish:
January 12th, 2024
Last Modified:
June 3rd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H