{"cve":"CVE-2021-41691","nvd":{"published":"2025-06-24T16:15:22.797","modified":"2026-06-17T04:08:49.043","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-89"],"references":["https://github.com/OS4ED/openSIS-Classic/","https://opensis.com/","https://resources.s4e.io/blog/opensis-student-information-system-0-day-vulnerability-cve-2021-41691/"],"products":["os4ed:opensis"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2021-41691","score":0.02071,"percentile":0.81432,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}