{"id":"CVE-2021-41691","details":"A SQL injection vulnerability exists in OS4Ed Open Source Information System Community v8.0 via the \"student_id\" and \"TRANSFER{SCHOOL]\" parameters in POST request sent to /TransferredOutModal.php.","modified":"2026-08-27T08:39:44.204890Z","published":"2025-06-24T16:15:22.797Z","references":[{"type":"WEB","url":"https://github.com/OS4ED/openSIS-Classic/"},{"type":"WEB","url":"https://opensis.com/"},{"type":"ADVISORY","url":"https://resources.s4e.io/blog/opensis-student-information-system-0-day-vulnerability-cve-2021-41691/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/OS4ED/openSIS-Classic","events":[{"introduced":"0a2d61fff35900fc91566e6621d49959599bcb4e"},{"last_affected":"0a2d61fff35900fc91566e6621d49959599bcb4e"}],"database_specific":{"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:os4ed:opensis:8.0:*:*:*:community:*:*:*"}}],"versions":["8.0","V8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41691.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/os4ed/opensis-classic","events":[{"introduced":"0a2d61fff35900fc91566e6621d49959599bcb4e"},{"last_affected":"0a2d61fff35900fc91566e6621d49959599bcb4e"}],"database_specific":{"cpe":"cpe:2.3:a:os4ed:opensis:8.0:*:*:*:community:*:*:*","extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING"}}],"versions":["8.0","V8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41691.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}