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    CVE-2023-33920

    A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). The affected devices contain the hash of the root password in a hard-coded form, which could be exploited for UART console login to the device. An attacker with direct physical access could exploit this vulnerability.

    Published:Jun 13, 2023
    Last Modified:Feb 13, 2025
    EPS:Jun 13, 2023
    EPSS Score:0.0011
    CVSS Score:6.8

    Affected Products

    Vendor
    Siemens
    Product
    Cp-8031 Master Module
    Vendor
    Siemens
    Product
    Cp-8050 Master Module
    Vendor
    Siemens
    Product
    Cpci85 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-798 Use of Hard-coded Credentials

    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