CVE-2021-28913
9.8 · CRITICALOverview
CVE-2021-28913 is a critical-severity vulnerability affecting bab-technologie eibport_firmware. It was published on September 9, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from bab-technologie. Update eibport_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| bab-technologie | eibport_firmware | >= 0, < 3.9.1 | Affected |
Frequently Asked Questions
What is CVE-2021-28913?
CVE-2021-28913 is a critical-severity vulnerability affecting bab-technologie eibport_firmware. It was published on September 9, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-28913?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-28913?
Check the references section for vendor advisories and patches from bab-technologie. Update eibport_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-28913?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-28913 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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