CVE-2021-43404 Path traversal in n/a

High 8.8 Published Updated

Attackers can exploit risky characters in FAX file names to perform path traversal, potentially reading or modifying arbitrary files.

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-2021-43404?

CVE-2021-43404 is a high-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 FAX file name may have risky characters.

Which versions are affected by CVE-2021-43404?

It affects 1 product.

Products include Fusionpbx Fusionpbx.

How do I fix CVE-2021-43404?

No fix has been published for CVE-2021-43404 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-2021-43404 being exploited?

There is no known exploitation of CVE-2021-43404 in the wild and no public exploit code.

All Fusionpbx Fusionpbx vulnerabilities

Sources

Also known as GHSA-44hm-fgg5-f5ww.

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