CVE-2025-3322: B. Braun Melsungen OnlineSuite · Expression Language Injection
Affects B. Braun Melsungen OnlineSuiteSource CVE Database V5
Not known to be exploited · CVSS 10.0 Critical.
Data as of 26 Oct 2026, 11:42 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 50% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA: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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| B. Braun Melsungen AG OnlineSuite | Affected
| Fixed in– |
AI-suggested
- Immediate isolation of systems running OnlineSuite version 3.0 from external networks until a patch or official fix is available.
- Implement strict network segmentation and firewall rules to limit access to the OnlineSuite servers only to trusted internal hosts and administrators.
- Employ Web Application Firewalls (WAFs) with custom rules designed to detect and block suspicious expression language injection patterns or anomalous input payloads targeting the application.
- Conduct thorough input validation and sanitization at the application layer, if possible, to neutralize special characters or expressions before they reach the expression language interpreter.
- Monitor logs and network traffic for unusual activity indicative of exploitation attempts, such as unexpected command execution or anomalous requests.
- Engage with B. Braun for any available patches or updates and apply them promptly once released.
- Prepare incident response plans specific to this vulnerability, including data backup and recovery procedures, to minimize damage in case of exploitation.
- Educate IT and security teams about the risks of expression language injection and the importance of rapid response to critical vulnerabilities in healthcare software.
Description
An improper neutralization of inputs used in expression language allows remote code execution with the highest privileges on the server.