CVE-2021-28911 - CVE House
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Status published Critical CVE-2021-28911

BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated...

Vulnerability Description

BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /tmp path which contains some sensitive data (e.g. device serial number). Having those info, a possible loginId can be self-calculated in a brute force attack against BMX interface. This is usable and part of an attack chain to gain SSH root access.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2021-28913
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Critical 9.8
CVE-2021-28912
BAB TECHNOLOGIE GmbH eibPort V3. Each device has its own...
High 7.2
CVE-2021-28910
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 contains basic...
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CVE-2021-28909
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated...
Critical 9.8

Affected Vendor

bab-technologie

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Affected Software

eibport firmware
Vulnerable Versions:
0

Timeline

Official Publish: September 9th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.