Critical severity9.8NVD Advisory· Published Feb 15, 2021· Updated Jun 17, 2026
CVE-2021-3239
CVE-2021-3239
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:a:e-learning_system_project:e-learning_system:1.0:*:*:*:*:*:*:*
- E-Learning System/E-Learning Systemdescription
- Range: = 1.0
Patches
Vulnerability mechanics
References
5- github.com/TCSWT/E-Learning-System/blob/main/README.mdnvdExploitThird Party Advisory
- github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821nvdExploitThird Party Advisory
- packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.htmlnvdExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/49434nvdExploitThird Party AdvisoryVDB Entry
- www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.htmlnvdProductThird Party Advisory
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