CVE-2020-6135 SQL injection in OS4Ed
An authenticated attacker can exploit SQL injection in openSIS to read or modify database contents via crafted HTTP requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-6135?
CVE-2020-6135 is a medium-severity SQL injection vulnerability in Os4ed Opensis, published on 1 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An exploitable SQL injection vulnerability exists in the Validator.php functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can lead to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Weakness: CWE-89
Which versions are affected by CVE-2020-6135?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2020-6135?
No fix has been published for CVE-2020-6135 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-2020-6135 being exploited?
There is no known exploitation of CVE-2020-6135 in the wild and no public exploit code.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-5vc9-3jgc-ch89.