What’s Vulnerable › Vulnerabilities

CVE-2021-41679

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-30 · updated 2026-06-17
• Weakness: CWE-89

Description

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/modules/grades/InputFinalGrades.php, period parameter.

Affected products

• OS4ED openSIS-Classic: 8.0

References

• https://github.com/OS4ED/openSIS-Classic/issues/204
• https://github.com/OS4ED/openSIS-Classic/issues/204

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