A vulnerability classified as very critical has been found in B. Braun OnlineSuite 3.0. This affects some unknown functionality. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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

It is possible to read the advisory at bbraun.com. This vulnerability is uniquely identified as CVE-2025-3365 since 04/07/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/06/2025). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17091). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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Vendor

• B. Braun

Name

• OnlineSuite

Version

• 3.0

CPE 2.3info

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CPE 2.2info

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