CVE-2025-3365: B. Braun Melsungen OnlineSuite · Relative Path Traversal
Affects B. Braun Melsungen OnlineSuiteSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 6 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| B. Braun Melsungen AG OnlineSuite | Affected
| Fixed in– |
AI-suggested
Immediate mitigation steps include restricting external access to the OnlineSuite application through network segmentation and firewall rules to limit exposure. Organizations should implement web application firewalls (WAFs) with custom rules to detect and block path traversal patterns such as '../' sequences in URL parameters. Monitoring and logging access to sensitive files and directories can help detect exploitation attempts early. Braun to obtain timelines for remediation and consider temporary compensating controls such as disabling vulnerable features or restricting file system permissions to minimize the impact of potential exploitation. Additionally, conducting thorough security assessments and penetration testing focused on path traversal and input validation can identify other potential weaknesses. Finally, organizations should prepare incident response plans specific to this vulnerability to rapidly contain and remediate any detected exploitation.
Description
A missing protection against path traversal allows to access any file on the server.