{"id":"CVE-2020-36657","aliases":["EUVD-2020-24103","GHSA-h9jm-ppr9-845g","UBUNTU-CVE-2020-36657"],"status":"published","title":"uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to...","description":"uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00414,"percentile":0.36052,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2023-01-25T00:00:00Z","modified":"2026-10-24T10:30:29Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"uptimed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.3.17-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"uptimed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.4.0+git20150923.6b22106-1.1","1:0.4.0+git20150923.6b22106-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"uptimed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.4.1-1","1:0.4.2-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"uptimed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.4.3-1","1:0.4.5-1","1:0.4.6-1","1:0.4.6-2","1:0.4.6-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"uptimed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.4.6-3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"uptimed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.4.6-3.1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"uptimed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.4.6-3.1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"uptimed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.4.6-3.1","1:0.4.6-3.1build1"]}],"products":[{"vendor":"uptimed_project","product":"uptimed"}],"references":[{"url":"https://bugs.gentoo.org/630810","tags":["x_transferred","Exploit","Patch","Third Party Advisory","fix","report"]},{"url":"https://security.gentoo.org/glsa/202305-14","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36657"},{"url":"https://github.com/advisories/GHSA-h9jm-ppr9-845g"},{"url":"https://ubuntu.com/security/CVE-2020-36657","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-36657","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-36657","description":"uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.","status":"published","published":"2023-01-25T00:00:00Z","modified":"2025-04-01T20:11:33.838Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:35:55.128961Z"}],"euvd":[{"id":"EUVD-2020-24103","description":"uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.","status":"published","published":"2023-01-25T00:00:00Z","modified":"2025-04-01T20:11:33Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:45.339497Z"}],"ghsa":[{"id":"GHSA-h9jm-ppr9-845g","title":"uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to...","description":"uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.","status":"published","published":"2023-01-26T21:30:29Z","modified":"2025-04-01T21:30:28Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:00:35.09643Z"}],"nvd":[{"id":"CVE-2020-36657","description":"uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R 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call.","status":"published","published":"2023-01-26T21:15:21.893Z","modified":"2026-10-24T10:30:29.318706477Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.936975Z"},{"id":"UBUNTU-CVE-2020-36657","description":"uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.","status":"published","published":"2023-01-26T21:15:00Z","modified":"2026-10-17T12:56:14.982802715Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:25.179924Z"}]}}