Improper authentication in BIOTRONIK CardioMessenger II-S T-Line, CardioMessenger II-S GSM
Priority LOW 21CWE-287Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
BIOTRONIK CardioMessenger II, The affected products allow credential reuse for multiple authentication purposes. An attacker with adjacent access to the CardioMessenger can disclose its credentials used for connecting to the BIOTRONIK Remote Communication infrastructure.
Why it matters now
EPSS 0.00484 41st 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-2019-18252
- 2026-10-03 Alias added: GHSA-2f8f-gw52-m98c
References
More Biotronik Cardiomessenger Ii-s Gsm Firmware vulnerabilities
- TI-2019-13273 Insufficiently protected credentials in BIOTRONIK CardioMessenger II-S T-Line… CVSS 3.1MEDIUM 4.6
- TI-2019-13271 Cleartext storage of sensitive information in BIOTRONIK CardioMessenger II-S T-Line… CVSS 3.1MEDIUM 4.6
- 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-2019-18252 · CVE Program
- CVE-2019-18252 · NVD
- FIRST EPSS
- GHSA-2f8f-gw52-m98c · GitHub Advisory Database · CC BY 4.0
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