CVE-2025-3365 Relative Path Traversal in OnlineSuite

Critical 9.8 Published Updated

An attacker can access arbitrary files on the server due to missing path traversal protections in OnlineSuite.

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-2025-3365?

CVE-2025-3365 is a critical path traversal vulnerability in B. Braun Melsungen AG OnlineSuite, published on 6 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A missing protection against path traversal allows to access any file on the server.

Weakness: CWE-23

Which versions are affected by CVE-2025-3365?

How do I fix CVE-2025-3365?

No fix has been published for CVE-2025-3365 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-2025-3365 being exploited?

There is no known exploitation of CVE-2025-3365 in the wild and no public exploit code.

Sources

Also known as GHSA-2f28-7x9r-f2vq.

Is CVE-2025-3365 in your software?

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

Check your SBOMs for free