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.
References
Link Resource
https://psytester.github.io/CVE-2021-28911 Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-09T17:45:39

Updated: 2021-09-09T17:45:39

Reserved: 2021-03-19T00:00:00


Link: CVE-2021-28911

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-09-09T18:15:08.873

Modified: 2021-09-20T20:37:02.250


Link: CVE-2021-28911

JSON object: View

cve-icon Redhat Information

No data.