{"id":"CVE-2021-41691","aliases":["EUVD-2021-28703","GHSA-gcfh-26rr-mgwj"],"status":"published","title":"A SQL injection vulnerability exists in OS4Ed Open Source Information System Community v8.0 via...","description":"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.","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":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.02071,"percentile":0.81593,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2025-06-24T00:00:00Z","modified":"2026-10-24T10:50:25Z","exploits":[{"source":"nuclei","id":"CVE-2021-41691","title":"openSIS Student Information System 8.0 SQL Injection","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-41691.yaml"}],"products":[{"vendor":"os4ed","product":"opensis"}],"references":[{"url":"https://opensis.com/","tags":["Product","web"]},{"url":"https://github.com/OS4ED/openSIS-Classic/","tags":["Product","web"]},{"url":"https://resources.s4e.io/blog/opensis-student-information-system-0-day-vulnerability-cve-2021-41691/","tags":["Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41691"},{"url":"https://github.com/OS4ED/openSIS-Classic"},{"url":"https://opensis.com"},{"url":"https://resources.s4e.io/blog/opensis-student-information-system-0-day-vulnerability-cve-2021-41691"},{"url":"https://github.com/advisories/GHSA-gcfh-26rr-mgwj"}],"sources":{"cve":[{"id":"CVE-2021-41691","description":"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.","status":"published","published":"2025-06-24T00:00:00Z","modified":"2025-06-25T14:34:52.796Z","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":"adp"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:32:59.105382Z"}],"euvd":[{"id":"EUVD-2021-28703","description":"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.","status":"published","published":"2025-06-24T00:00:00Z","modified":"2025-06-25T14:34:52Z","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":"2026-11-02T20:32:16.561416Z"}],"ghsa":[{"id":"GHSA-gcfh-26rr-mgwj","title":"A SQL injection vulnerability exists in OS4Ed Open Source Information System Community v8.0 via...","description":"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.","status":"published","published":"2025-06-26T21:31:09Z","modified":"2025-06-26T21:31:13Z","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"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T15:02:49.894932Z"}],"nvd":[{"id":"CVE-2021-41691","description":"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.","status":"published","published":"2025-06-24T16:15:22.797Z","modified":"2026-06-17T04:08:49.043Z","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":"secondary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:07:09.005706Z"}],"osv":[{"id":"CVE-2021-41691","description":"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.","status":"published","published":"2025-06-24T16:15:22.797Z","modified":"2026-10-24T10:50:25.77646048Z","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":"2026-11-02T15:44:21.557945Z"}]}}
