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    CVE-2021-28911

    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.

    Published:Sep 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 9, 2021
    EPSS Score:0.02328
    CVSS Score:9.8

    Affected Products

    Vendor
    Bab-technologie
    Product
    Eibport
    Vendor
    Bab-technologie
    Product
    Eibport Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2021-28914 (CVSS 6.5) — BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow the user to set a weak password because the strength…
    CVE-2021-28913 (CVSS 9.8) — BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /webif/SecurityM…
    CVE-2021-28912 (CVSS 7.2) — BAB TECHNOLOGIE GmbH eibPort V3. Each device has its own unique hard coded and weak root SSH key passphrase kn…
    CVE-2021-28910 (CVSS 7.5) — BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 contains basic SSRF vulnerability. It allow unauthenticate…
    CVE-2021-28909 (CVSS 9.8) — BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers to access uncontrolled the…
    CVE-2020-24573 (CVSS 7.5) — BAB TECHNOLOGIE GmbH eibPort V3 prior to 3.8.3 devices allow denial of service (Uncontrolled Resource Consumpt…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High