CVE-2021-3239 SQL injection in n/a
Unauthenticated SQL injection in E-Learning System allows remote attackers to execute arbitrary code and gain a reverse shell.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-3239?
CVE-2021-3239 is a critical SQL injection vulnerability in n/a, published on 15 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-89
Which versions are affected by CVE-2021-3239?
It affects 1 product.
Products include E-Learning System Project E-Learning System.
How do I fix CVE-2021-3239?
No fix has been published for CVE-2021-3239 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-3239 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-3239 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-w2ww-68p9-gv39.