CVE-2025-3321 Use of Hard-coded Credentials in OnlineSuite

Critical 9.4 Published Updated

An undocumented, non-deactivatable administrative account with hardcoded credentials allows local users to gain elevated privileges on the server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-3321?

CVE-2025-3321 is a critical vulnerability in B. Braun Melsungen AG OnlineSuite, published on 6 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A predefined administrative account is not documented and cannot be deactivated. This account cannot be misused from the network, only by local users on the server.

Weakness: CWE-798

Which versions are affected by CVE-2025-3321?

How do I fix CVE-2025-3321?

No fix has been published for CVE-2025-3321 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-3321 being exploited?

There is no known exploitation of CVE-2025-3321 in the wild and no public exploit code.

Sources

Also known as GHSA-4474-w9fw-64jh.

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