What’s Vulnerable › Vulnerabilities
CVE-2021-39377
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 3.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-09-01 · updated 2026-06-17
- Weakness: CWE-89
Description
A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL commands to the MySQL (MariaDB) database through the index.php username parameter.
Affected products
References
- https://github.com/OS4ED/openSIS-Classic
- https://github.com/security-n/CVE-2021-39377
- https://opensis.com/
- https://github.com/OS4ED/openSIS-Classic
- https://github.com/security-n/CVE-2021-39377
- https://opensis.com/
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