What’s Vulnerable › Vulnerabilities

CVE-2020-6121

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-01 · updated 2026-06-17
• Weakness: CWE-89

Description

SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The ln parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Affected products

• OS4ED openSIS-Classic: 7.3

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1072
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1072

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