{"id":"CVE-2023-38880","aliases":["EUVD-2023-42647","GHSA-qf6w-3hhv-8hpf"],"status":"published","title":"The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control...","description":"The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of \"opensisBackup\u003cdate\u003e.sql\" (e.g. \"opensisBackup07-20-2023.sql\"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00959,"percentile":0.61734,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-11-20T00:00:00Z","modified":"2026-10-28T02:30:37Z","products":[{"vendor":"os4ed","product":"opensis"}],"references":[{"url":"https://github.com/OS4ED/openSIS-Classic","tags":["x_transferred","Product","package"]},{"url":"https://www.os4ed.com/","tags":["x_transferred","Product","web"]},{"url":"https://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38880","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38880","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qf6w-3hhv-8hpf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38880.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-38880","description":"The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of \"opensisBackup\u003cdate\u003e.sql\" (e.g. \"opensisBackup07-20-2023.sql\"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.","status":"published","published":"2023-11-20T00:00:00Z","modified":"2024-08-02T17:54:39.233Z","updated_at":"2026-11-02T14:35:30.116696Z"}],"euvd":[{"id":"EUVD-2023-42647","description":"The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of \"opensisBackup\u003cdate\u003e.sql\" (e.g. \"opensisBackup07-20-2023.sql\"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.","status":"published","published":"2023-11-20T00:00:00Z","modified":"2024-08-02T17:54:39Z","updated_at":"2026-11-03T03:50:02.733403Z"}],"ghsa":[{"id":"GHSA-qf6w-3hhv-8hpf","title":"The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control...","description":"The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of \"opensisBackup\u003cdate\u003e.sq|\" (e.g. \"opensisBackup07-20-2023.sql\"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.","status":"published","published":"2023-11-20T21:31:03Z","modified":"2023-12-08T05:05:40Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:55:09.695365Z"}],"nvd":[{"id":"CVE-2023-38880","description":"The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of \"opensisBackup\u003cdate\u003e.sql\" (e.g. \"opensisBackup07-20-2023.sql\"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.","status":"published","published":"2023-11-20T19:15:08.6Z","modified":"2026-06-17T06:11:15.01Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"updated_at":"2026-11-02T14:08:47.966245Z"}],"osv":[{"id":"CVE-2023-38880","description":"The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of \"opensisBackup\u003cdate\u003e.sql\" (e.g. \"opensisBackup07-20-2023.sql\"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.","status":"published","published":"2023-11-20T00:00:00Z","modified":"2026-10-28T02:30:37.390405149Z","updated_at":"2026-11-02T15:44:32.922049Z"}]}}