BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers to…
Priority MEDIUM 45CWE-307Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-307.
Summary
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers to access uncontrolled the login service at /webif/SecurityModule in a brute force attack. The password could be weak and default username is known as 'admin'. This is usable and part of an attack chain to gain SSH root access.
Why it matters now
EPSS 0.01391 72nd 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:bab-technologie:eibport_firmware:*:*:*:*:*:*:*:* | before 3.9.1 | Vulnerable | Bab-technologie |
| cpe:2.3:h:bab-technologie:eibport:v3:*:*:*:*:*:*:* | v3 | Running on | Bab-technologie |
- cpe:2.3:o:bab-technologie:eibport_firmware:*:*:*:*:*:*:*:* Versions before 3.9.1 Vulnerable ·Bab-technologie
- cpe:2.3:h:bab-technologie:eibport:v3:*:*:*:*:*:*:* Versions v3 Running on ·Bab-technologie
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-28909
- 2026-10-03 Alias added: GHSA-4pvv-c564-5hw3
References
More Bab-technologie Eibport Firmware vulnerabilities
- TI-2021-09862 BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers… CVSS 3.1CRITICAL 9.8
- TI-2021-09860 BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers… CVSS 3.1CRITICAL 9.8
- TI-2020-15054 BAB TECHNOLOGIE GmbH eibPort V3 prior to 3.8.3 devices allow denial of service… CVSS 3.1HIGH 7.5
- TI-2021-09859 BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 contains basic SSRF vulnerability. CVSS 3.1HIGH 7.5
- TI-2021-09861 BAB TECHNOLOGIE GmbH eibPort V3. CVSS 3.1HIGH 7.2
- TI-2021-09863 BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow the user to set a weak password… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-28909 · CVE Program
- CVE-2021-28909 · NVD
- FIRST EPSS
- GHSA-4pvv-c564-5hw3 · GitHub Advisory Database · CC BY 4.0
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