OS4Ed Open Source Information System Community 8.0 POST Request /TransferredOutModal.php student_id/TRANSFER{SCHOOL} sql injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in OS4Ed Open Source Information System Community 8.0. This affects an unknown function of the file /TransferredOutModal.php of the component POST Request Handler. This manipulation of the argument student_id/TRANSFER{SCHOOL} causes sql injection. This vulnerability appears as CVE-2021-41691. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in OS4Ed Open Source Information System Community 8.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /TransferredOutModal.php of the component POST Request Handler. The manipulation of the argument student_id/TRANSFER{SCHOOL} with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

This vulnerability is known as CVE-2021-41691 since 09/27/2021. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/26/2025). The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

By approaching the search of inurl:TransferredOutModal.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2021-28703). Be aware that VulDB is the high quality source for vulnerability data.

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Vendor

• OS4Ed

Name

• Open Source Information System Community

Version

• 8.0

License

• open-source

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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