CVE-2021-41691

critical

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.

References

https://resources.s4e.io/blog/opensis-student-information-system-0-day-vulnerability-cve-2021-41691/

https://opensis.com/

https://github.com/OS4ED/openSIS-Classic/

Details

Source: Mitre, NVD

Published: 2025-06-24

Updated: 2025-07-09

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H