{"id":"CVE-2021-40309","aliases":["EUVD-2021-27492","GHSA-mmj6-5g2w-6rvq"],"status":"published","title":"A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0....","description":"A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to \"Take Attendance\" functionality to trigger this vulnerability.","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":"2026-11-10","score":0.01822,"percentile":0.78936,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2021-09-24T15:09:59Z","modified":"2026-10-24T10:50:42Z","products":[{"vendor":"os4ed","product":"opensis"}],"references":[{"url":"https://github.com/OS4ED/openSIS-Classic","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","package"]},{"url":"https://www.exploit-db.com/exploits/50249","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://github.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40309"},{"url":"https://github.com/advisories/GHSA-mmj6-5g2w-6rvq"}],"sources":{"cve":[{"id":"CVE-2021-40309","description":"A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to \"Take Attendance\" functionality to trigger this vulnerability.","status":"published","published":"2021-09-24T15:09:59Z","modified":"2024-08-04T02:27:31.872Z","updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-27492","description":"A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to \"Take Attendance\" functionality to trigger this vulnerability.","status":"published","published":"2021-09-24T15:09:59Z","modified":"2024-08-04T02:27:31Z","updated_at":"2026-11-03T03:24:20.862157Z"}],"ghsa":[{"id":"GHSA-mmj6-5g2w-6rvq","title":"A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0....","description":"A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to \"Take Attendance\" functionality to trigger this vulnerability.","status":"published","published":"2022-05-24T19:15:42Z","modified":"2023-01-30T05:02:28Z","cwes":["CWE-89"],"updated_at":"2026-11-02T14:46:38.51672Z"}],"nvd":[{"id":"CVE-2021-40309","description":"A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to \"Take Attendance\" functionality to trigger this vulnerability.","status":"published","published":"2021-09-24T16:15:08.417Z","modified":"2026-06-17T04:06:43.13Z","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":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:06:58.933037Z"}],"osv":[{"id":"CVE-2021-40309","description":"A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to \"Take Attendance\" functionality to trigger this vulnerability.","status":"published","published":"2021-09-24T16:15:08.417Z","modified":"2026-10-24T10:50:42.761398715Z","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"}],"updated_at":"2026-11-02T15:44:21.249056Z"}]}}