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CVE-2021-3239
E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code…
Critical9.8EPSS 18.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 18.9% · top 2.7% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (5)
- https://github.com/TCSWT/E-Learning-System/blob/main/README.md (opens in a new tab)x_refsource_MISCx_transferred
- https://www.exploit-db.com/exploits/49434 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.html (opens in a new tab)x_refsource_MISCx_transferred
- https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.html (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-3239)Record last updated .