{"id":"CVE-2023-6740","aliases":["EUVD-2023-58953","GHSA-m89q-5h24-2xm5","UBUNTU-CVE-2023-6740"],"status":"published","title":"Privilege escalation in jar_signature","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","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0018,"percentile":0.07593,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-427"],"published":"2024-01-12T07:50:20Z","modified":"2026-10-28T02:31:12Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"check-mk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.6p5-1","1.2.6p12-1","1.2.6p12-1ubuntu0.16.04.1","1.2.6p12-1ubuntu0.16.04.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"check-mk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8p16-1ubuntu0.1","1.2.8p16-1ubuntu0.2"]}],"products":[{"vendor":"checkmk","product":"checkmk"},{"vendor":"checkmk gmbh","product":"checkmk"},{"vendor":"tribe29","product":"checkmk"}],"references":[{"url":"https://checkmk.com/werk/16163","tags":["x_transferred","Patch","Vendor Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6740","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m89q-5h24-2xm5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6740.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-6740","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-6740","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-6740","title":"Privilege escalation in jar_signature","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 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