{"id":"CVE-2020-28906","aliases":["EUVD-2020-21297","GHSA-7c44-qggm-pv6g"],"status":"published","title":"Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier...","description":"Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06215,"percentile":0.93572,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-276"],"published":"2021-05-24T12:43:53Z","modified":"2026-06-17T03:10:48Z","products":[{"vendor":"nagios","product":"fusion"},{"vendor":"nagios","product":"nagios_xi"}],"references":[{"url":"https://www.nagios.com/downloads/nagios-xi/change-log/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28906"},{"url":"https://github.com/advisories/GHSA-7c44-qggm-pv6g"}],"sources":{"cve":[{"id":"CVE-2020-28906","description":"Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.","status":"published","published":"2021-05-24T12:43:53Z","modified":"2024-08-04T16:40:59.974Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21297","description":"Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.","status":"published","published":"2021-05-24T12:43:53Z","modified":"2024-08-04T16:40:59Z","updated_at":"2026-11-03T03:07:09.169254Z"}],"ghsa":[{"id":"GHSA-7c44-qggm-pv6g","title":"Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier...","description":"Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.","status":"published","published":"2022-05-24T19:03:04Z","modified":"2023-01-29T05:07:43Z","cwes":["CWE-276"],"updated_at":"2026-11-02T14:46:11.123221Z"}],"nvd":[{"id":"CVE-2020-28906","description":"Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.","status":"published","published":"2021-05-24T13:15:08.027Z","modified":"2026-06-17T03:10:48.313Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:06:39.25999Z"}]}}