CVE-2021-43403 Path traversal in n/a
An authenticated user can download arbitrary files from the server via the log viewer, potentially exposing sensitive information.
- 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-2021-43403?
CVE-2021-43403 is a medium-severity path traversal vulnerability in Fusionpbx Fusionpbx, published on 5 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in FusionPBX before 4.5.30. The log_viewer.php Log View page allows an authenticated user to choose an arbitrary filename for download (i.e., not necessarily freeswitch.log in the intended directory).
Which versions are affected by CVE-2021-43403?
It affects 1 product.
Products include Fusionpbx Fusionpbx.
How do I fix CVE-2021-43403?
No fix has been published for CVE-2021-43403 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-2021-43403 being exploited?
There is no known exploitation of CVE-2021-43403 in the wild and no public exploit code.
Other vulnerabilities in Fusionpbx Fusionpbx
Sources
Also known as GHSA-7mp9-3x86-fjqf.