CVE-2021-39377 SQL injection in n/a
Attackers can execute arbitrary SQL commands via the username parameter in openSIS, potentially compromising database integrity and confidentiality.
- 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-2021-39377?
CVE-2021-39377 is a critical SQL injection vulnerability in Os4ed Opensis, published on 1 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL commands to the MySQL (MariaDB) database through the index.php username parameter.
Weakness: CWE-89
Which versions are affected by CVE-2021-39377?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2021-39377?
No fix has been published for CVE-2021-39377 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-2021-39377 being exploited?
There is no known exploitation of CVE-2021-39377 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-w64q-f6qr-2h2h.