PatchTheCVECVE-2019-18256: BIOTRONIK CardioMessenger II, The affected products use individual per-device credentials that are stored in a
CVE-2019-18256 is a medium-severity flaw (CVSS 4.6) affecting cardiomessenger ii-s gsm firmware, cardiomessenger ii-s t-line firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
BIOTRONIK CardioMessenger II, The affected products use individual per-device credentials that are stored in a recoverable format. An attacker with physical access to the CardioMessenger can use these credentials for network authentication and decryption of local data in transit.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-18256?
cardiomessenger ii-s gsm firmware: mitigate or apply the listed mitigation; cardiomessenger ii-s t-line firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2019-18256 being exploited?
CVE-2019-18256 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-18256 affect?
CVE-2019-18256 affects cardiomessenger ii-s gsm firmware, cardiomessenger ii-s t-line firmware. Severity is medium (CVSS 4.6). BIOTRONIK CardioMessenger II, The affected products use individual per-device credentials that are stored in a recoverable format. An attacker with physical access to the CardioMessenger can use these credentials for network authentication
How urgent is CVE-2019-18256?
Priority 23/100. No elevated risk signals yet.
Related CVEs
- CVE-2019-18254 MEDIUM 4.6 MITIGATE MITIGATE BIOTRONIK CardioMessenger II, The affected products do not encrypt sensitive information while at rest
- CVE-2019-18252 MEDIUM 4.3 MITIGATE MITIGATE BIOTRONIK CardioMessenger II, The affected products allow credential reuse for multiple authentication purpose
- CVE-2019-18248 MEDIUM 4.3 MITIGATE MITIGATE BIOTRONIK CardioMessenger II, The affected products transmit credentials in clear-text prior to switching to a
- CVE-2019-18246 MEDIUM 4.3 MITIGATE MITIGATE BIOTRONIK CardioMessenger II, The affected products do not properly enforce mutual authentication with the BIO