CVE-2021-40543 SQL injection in n/a
SQL injection in Opensis-Classic allows attackers to manipulate database queries via unsanitized GET parameters in PasswordCheck.php.
- 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-2021-40543?
CVE-2021-40543 is a critical SQL injection vulnerability in Os4ed Opensis, published on 11 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Opensis-Classic Version 8.0 is affected by a SQL injection vulnerability due to a lack of sanitization of input data at two parameters $_GET['usrid'] and $_GET['prof_id'] in the PasswordCheck.php file.
Weakness: CWE-89
Which versions are affected by CVE-2021-40543?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2021-40543?
No fix has been published for CVE-2021-40543 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-2021-40543 being exploited?
There is no known exploitation of CVE-2021-40543 in the wild and no public exploit code.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-pfqf-89wf-vvxx.