SQL Injection Vulnerability in OS4Ed Open Source Information System
CVE-2021-41691

9.8CRITICAL

Key Information:

Vendor

OS4Ed

Status
Open Source Information System
Vendor
CVE Published:
24 June 2025

What is CVE-2021-41691?

A SQL injection vulnerability has been identified in OS4Ed's Open Source Information System Community v8.0. This vulnerability can be exploited through the 'student_id' and 'TRANSFER{SCHOOL]' parameters in a POST request directed to /TransferredOutModal.php. Attackers can potentially manipulate queries, leading to unauthorized access to sensitive data and compromising the integrity of the database.

References

https://opensis.com/
https://github.com/OS4ED/openSIS-Classic/
https://resources.s4e.io/blog/opensis-student-information...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.