Insufficiently protected credentials in BIOTRONIK CardioMessenger II-S T-Line…
Priority LOW 21CWE-257Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-522.
Summary
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 it matters now
EPSS 0.00358 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | BIOTRONIK CardioMessenger II-S T-Line, CardioMessenger II-S GSM | CardioMessenger II-S T-Line T4APP 2.20, CardioMessenger II-S GSM T4APP 2.20 | — | No fix listed | CNA |
- BIOTRONIK CardioMessenger II-S T-Line, CardioMessenger II-S GSM Vendor— Affected CardioMessenger II-S T-Line T4APP 2.20, CardioMessenger II-S GSM T4APP 2.20 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:biotronik:cardiomessenger_ii-s_gsm_firmware:2.20:*:*:*:*:*:*:* | 2.20 | Vulnerable | Biotronik |
| cpe:2.3:h:biotronik:cardiomessenger_ii-s_gsm:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Biotronik |
| cpe:2.3:o:biotronik:cardiomessenger_ii-s_t-line_firmware:2.20:*:*:*:*:*:*:* | 2.20 | Vulnerable | Biotronik |
| cpe:2.3:h:biotronik:cardiomessenger_ii-s_t-line:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Biotronik |
- cpe:2.3:o:biotronik:cardiomessenger_ii-s_gsm_firmware:2.20:*:*:*:*:*:*:* Versions 2.20 Vulnerable ·Biotronik
- cpe:2.3:h:biotronik:cardiomessenger_ii-s_gsm:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Biotronik
- cpe:2.3:o:biotronik:cardiomessenger_ii-s_t-line_firmware:2.20:*:*:*:*:*:*:* Versions 2.20 Vulnerable ·Biotronik
- cpe:2.3:h:biotronik:cardiomessenger_ii-s_t-line:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Biotronik
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-18256
- 2026-10-03 Alias added: GHSA-qhvv-89m3-h89m
References
More Biotronik Cardiomessenger Ii-s Gsm Firmware vulnerabilities
- TI-2019-13271 Cleartext storage of sensitive information in BIOTRONIK CardioMessenger II-S T-Line… CVSS 3.1MEDIUM 4.6
- TI-2019-13269 Improper authentication in BIOTRONIK CardioMessenger II-S T-Line, CardioMessenger II-S GSM CVSS 3.1MEDIUM 4.3
- TI-2019-13263 Improper authentication in BIOTRONIK CardioMessenger II-S T-Line, CardioMessenger II-S GSM CVSS 3.1MEDIUM 4.3
- TI-2019-13265 Cleartext transmission of sensitive information in BIOTRONIK CardioMessenger II-S T-Line… CVSS 3.1MEDIUM 4.3
Sources
- CVE-2019-18256 · CVE Program
- CVE-2019-18256 · NVD
- FIRST EPSS
- GHSA-qhvv-89m3-h89m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences