CVE-2021-41691

State: Published
Severity: 9.8 Critical
Published: Jun 24, 2025
Updated: Jun 25, 2025
Reserved: Sep 27, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://opensis.com/
https://github.com/OS4ED/openSIS-Classic/
https://resources.s4e.io/blog/opensis-student-information-system-0-day-vulnerability-cve-2021-41691/

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