CVE-2021-3239
CRITICALCVSS 9.8/10EPSS 17.93%
Last modified
CVE-2021-3239 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 17.93% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| E-Learning System Project | E-Learning System | 1.0 |
References
- https://github.com/TCSWT/E-Learning-System/blob/main/README.mdExploit, Third Party Advisory
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821Exploit, Third Party Advisory
- https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/49434Exploit, Third Party Advisory, VDB Entry
- https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.htmlProduct, Third Party Advisory
- https://github.com/TCSWT/E-Learning-System/blob/main/README.mdExploit, Third Party Advisory
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821Exploit, Third Party Advisory
- https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/49434Exploit, Third Party Advisory, VDB Entry
- https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.htmlProduct, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3239?
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.
How severe is CVE-2021-3239?
CVE-2021-3239 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 17.93% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3239?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-3239?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST