CVE-2021-40886 Path traversal in n/a
An attacker with Uploader role can bypass file name sanitization to perform directory traversal, potentially reading or modifying files outside the intended directory.
- 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-2021-40886?
CVE-2021-40886 is a medium-severity path traversal vulnerability in n/a, published on 11 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.
Weakness: CWE-22
Which versions are affected by CVE-2021-40886?
It affects 1 product.
Products include Projectsend Projectsend.
How do I fix CVE-2021-40886?
No fix has been published for CVE-2021-40886 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-2021-40886 being exploited?
There is no known exploitation of CVE-2021-40886 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-pfmf-m8rf-gm39.