CVE-2021-28911
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductBab-technologie Eibport Firmware
PublishedSep 9, 2021
First seenSep 9, 2021
How to fix
Update
- bab-technologie eibport_firmware3.9.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bab-technologie eibport_firmware | v < 3.9.1 | 3.9.1 |
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