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CVE-2021-40309

8.8 · HIGH

A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0.

Published Sep 24, 2021CWE-89EPSS 1.82%

Overview

CVE-2021-40309 is a high-severity vulnerability. It was published on September 24, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to "Take Attendance" functionality to trigger this vulnerability.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.mdGitHubgithub.com/OS4ED/openSIS-ClassicRefwww.exploit-db.com/exploits/50249GitHubgithub.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.mdGitHubgithub.com/OS4ED/openSIS-ClassicRefwww.exploit-db.com/exploits/50249

How CyberStrike helps

Frequently asked questions

What is CVE-2021-40309?

CVE-2021-40309 is a high-severity vulnerability. It was published on September 24, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2021-40309?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-40309?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-40309?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-40309 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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