CVE-2021-28913
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to ...
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /webif/SecurityModule to validate the so called and hard coded unique 'eibPort String' which acts as the root SSH key passphrase. This is usable and part of an attack chain to gain SSH root access.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /webif/SecurityModule to validate the so called and hard coded unique 'eibPort String' which acts as the root SSH key passphrase. This is usable and part of an attack chain to gain SSH root access.
- Record
CVE-2021-28913- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-306
- Updated
- 2026-11-02
CVE List No score
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /webif/SecurityModule to validate the so called and hard coded unique 'eibPort String' which acts as the root SSH key passphrase. This is usable and part of an attack chain to gain SSH root access.
- Record
CVE-2021-28913- Updated
- 2026-11-02
EUVDEUVD-2021-15566 No score
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /webif/SecurityModule to validate the so called and hard coded unique 'eibPort String' which acts as the root SSH key passphrase. This is usable and part of an attack chain to gain SSH root access.
- Record
EUVD-2021-15566- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xwhc-mqxq-rj7w No score
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to ...
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /webif/SecurityModule to validate the so called and hard coded unique 'eibPort String' which acts as the root SSH key passphrase. This is usable and part of an attack chain to gain SSH root access.
- Record
GHSA-xwhc-mqxq-rj7w- Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28913 is a critical vulnerability (CVSS 9.8) in Bab-technologie Eibport Firmware, published September 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.84%, the 79th percentile. No source names a fixed version.