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    CVE-2022-27640

    A vulnerability has been identified in SIMATIC CP 442-1 RNA (All versions < V1.5.18), SIMATIC CP 443-1 RNA (All versions < V1.5.18). The affected devices improperly handles excessive ARP broadcast requests. This could allow an attacker to create a denial of service condition by performing ARP storming attacks, which can cause the device to reboot.

    Published:May 10, 2022
    Last Modified:Nov 21, 2024
    EPS:May 10, 2022
    EPSS Score:0.0025
    CVSS Score:6.5

    Affected Products

    Vendor
    Siemens
    Product
    Simatic Cp 442-1 Rna
    Vendor
    Siemens
    Product
    Simatic Cp 442-1 Rna Firmware
    Vendor
    Siemens
    Product
    Simatic Cp 443-1 Rna
    Vendor
    Siemens
    Product
    Simatic Cp 443-1 Rna Firmware

    Exploits

    No exploit reference

    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