CVE-2021-3239

PoC ×4—

CVSS 3.1

9.8 critical

EPSS

18%p97

Published

Feb 15, 2021 (Feb 15, 2021)

Modified

Jun 17, 2026

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.

Vendors: e-learning system project
Products: e-learning system
Weakness: CWE-89
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (18.4%)

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