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CVE

CVE-2021-3239

9.8
CVSS
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.

Attack Vector
-
Privileges Req.
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User Interaction
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Updated Nov 10, 2026View on NVD →
S4E scanner
criticalWeb Vulnerabilities~10 seconds

E-Learning System 1.0 - SQL Injection

E-Learning System 1.0 contains an unauthenticated SQL injection caused by unsanitized input, letting remote attackers execute arbitrary code on the server and gain a reverse shell, exploit requires no authentication. References: https://www.exploit-db.com/exploits/49434 https://nvd.nist.gov/vuln/detail/CVE-2021-3239 Remediation: Apply input validation and parameterized queries, update to the latest version if available.

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