{"id":"CVE-2023-34958","aliases":["EUVD-2023-38997","GHSA-m635-gpvm-5hcf"],"status":"published","title":"Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given...","description":"Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00411,"percentile":0.3568,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2023-06-08T00:00:00Z","modified":"2026-10-28T02:30:30Z","products":[{"vendor":"chamilo","product":"chamilo_lms"}],"references":[{"url":"https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-109-2023-04-15-Moderate-impact-Moderate-risk-IDOR-in-workstudent-publication","tags":["x_transferred","Issue Tracking","Vendor Advisory","web"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/0c1c29db18856a6f25e21d0405dda2c20b35ff3a","tags":["x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34958","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m635-gpvm-5hcf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34958.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-34958","description":"Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.","status":"published","published":"2023-06-08T00:00:00Z","modified":"2025-01-06T21:00:15.837Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:35:35.912488Z"}],"euvd":[{"id":"EUVD-2023-38997","description":"Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.","status":"published","published":"2023-06-08T00:00:00Z","modified":"2025-01-06T21:00:15Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:25.174818Z"}],"ghsa":[{"id":"GHSA-m635-gpvm-5hcf","title":"Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given...","description":"Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.","status":"published","published":"2023-06-08T21:30:27Z","modified":"2025-01-06T21:30:49Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:59:21.962449Z"}],"nvd":[{"id":"CVE-2023-34958","description":"Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.","status":"published","published":"2023-06-08T19:15:09.92Z","modified":"2026-06-17T06:04:09.46Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:08:05.329837Z"}],"osv":[{"id":"CVE-2023-34958","description":"Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.","status":"published","published":"2023-06-08T00:00:00Z","modified":"2026-10-28T02:30:30.072508916Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:32.116263Z"}]}}