ZeroHour

CVE-2021-28911

CVSS 3.1
9.8 critical
EPSS
2%p75
Published
()
Modified
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.

Vendors
bab-technologie
Products
eibport firmware
Weakness
CWE-307, CWE-863
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

In the news

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