CVE-2021-39433 Path traversal in n/a

High 7.5 Published Updated

Attackers can read arbitrary files from the server via a local file inclusion vulnerability in the download script.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-39433?

CVE-2021-39433 is a high-severity path traversal vulnerability in n/a, published on 4 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file parameter to download/index.php. This allows the attacker to read arbitrary files from the server with the permissions of the configured web-user.

Which versions are affected by CVE-2021-39433?

It affects 1 product.

Products include Biqs Biqsdrive.

How do I fix CVE-2021-39433?

No fix has been published for CVE-2021-39433 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-2021-39433 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-39433 exists.

Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-6w8q-3v6x-w8r4.

Is CVE-2021-39433 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free