CVE-2020-6637 SQL injection in n/a
Attackers can execute arbitrary SQL commands via the USERNAME parameter in openSIS Community Edition, potentially accessing 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-2020-6637?
CVE-2020-6637 is a critical SQL injection vulnerability in Os4ed Opensis, published on 24 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.
Weakness: CWE-89
Which versions are affected by CVE-2020-6637?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2020-6637?
No fix has been published for CVE-2020-6637 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-2020-6637 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-6637 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-hvjm-9hmq-c635.