CVE-2020-37112 GUnet OpenEclass 1.7.3 E-learning platform - 'month' SQL Injection

What is CVE-2020-37112?

CVE-2020-37112 is a high-severity SQL injection vulnerability in GUnet OpenEclass, published on 3 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

GUnet OpenEclass 1.7.3 contains multiple SQL injection vulnerabilities that allow authenticated attackers to manipulate database queries through unvalidated parameters. Attackers can exploit the 'month' parameter in the agenda module and other endpoints to extract sensitive database information using error-based or time-based injection techniques.

Weakness: CWE-89

Which versions are affected by CVE-2020-37112?

It affects 1 product.

Products include Gunet Open Eclass Platform.

How do I fix CVE-2020-37112?

No fix has been published for CVE-2020-37112 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2020-37112 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37112 exists.

Other vulnerabilities in GUnet OpenEclass

• CVE-2020-37113 GUnet OpenEclass 1.7.3 E-learning platform - File Upload Extension Bypass High 8.7
• CVE-2020-37116 GUnet OpenEclass 1.7.3 E-learning platform - phpMyAdmin Remote Access High 8.7
• CVE-2026-24665 Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) via Student Assignment Upload High 8.7
• CVE-2026-24669 Open eClass Insecure Password Reset Token Reuse Enables Account Takeover High 7.8
• CVE-2026-24773 Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cvgp-p3c4-h952.