CVE-2021-41677 SQL injection in n/a
An attacker can execute arbitrary SQL commands via the Grade parameter in openSIS, potentially reading or modifying database contents.
- 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-2021-41677?
CVE-2021-41677 is a critical SQL injection vulnerability in Os4ed Opensis, published on 30 Nov 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 version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/functions/GetStuListFnc.php &Grade= parameter.
Weakness: CWE-89
Which versions are affected by CVE-2021-41677?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2021-41677?
No fix has been published for CVE-2021-41677 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-2021-41677 being exploited?
There is no known exploitation of CVE-2021-41677 in the wild and no public exploit code.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-cvj9-h36c-4whf.