What’s Vulnerable › Vulnerabilities
CVE-2021-3239
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 18.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-02-15 · updated 2026-06-17
- Weakness: CWE-89
Description
E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.
Affected products
References
- https://github.com/TCSWT/E-Learning-System/blob/main/README.md
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821
- https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.html
- https://www.exploit-db.com/exploits/49434
- https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.html
- https://github.com/TCSWT/E-Learning-System/blob/main/README.md
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821
- https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.html
- https://www.exploit-db.com/exploits/49434
- https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.html
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