CVE-2021-40651 Path traversal in n/a
Attackers can read arbitrary files from the server filesystem via a local file inclusion vulnerability in the modname parameter.
- 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-2021-40651?
CVE-2021-40651 is a medium-severity path traversal vulnerability in Os4ed Opensis, published on 29 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OS4Ed OpenSIS Community 8.0 is vulnerable to a local file inclusion vulnerability in Modules.php (modname parameter), which can disclose arbitrary file from the server's filesystem as long as the application has access to the file.
Weakness: CWE-22
Which versions are affected by CVE-2021-40651?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2021-40651?
No fix has been published for CVE-2021-40651 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-2021-40651 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-40651 exists.
Public exploit code: 1 Exploit-DB entry and 1 Nuclei template.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-7g4r-gjr5-j9m7.