CVE-2020-6142 Path traversal in OS4Ed
Attackers can achieve remote code execution in openSIS via local file inclusion in Modules.php using 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-2020-6142?
CVE-2020-6142 is a critical path traversal 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
A remote code execution vulnerability exists in the Modules.php functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can cause local file inclusion. An attacker can send an HTTP request to trigger this vulnerability.
Weakness: CWE-22
Which versions are affected by CVE-2020-6142?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2020-6142?
No fix has been published for CVE-2020-6142 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-6142 being exploited?
There is no known exploitation of CVE-2020-6142 in the wild and no public exploit code.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-289p-hp9m-rp88.