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    CVE-2023-51440

    A vulnerability has been identified in SIMATIC CP 343-1 (6GK7343-1EX30-0XE0) (All versions), SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0) (All versions), SIPLUS NET CP 343-1 (6AG1343-1EX30-7XE0) (All versions), SIPLUS NET CP 343-1 Lean (6AG1343-1CX10-2XE0) (All versions). Affected products incorrectly validate TCP sequence numbers. This could allow an unauthenticated remote attacker to create a denial of service condition by injecting spoofed TCP RST packets.

    Published:Feb 13, 2024
    Last Modified:Dec 16, 2024
    EPS:Feb 13, 2024
    EPSS Score:0.00339
    CVSS Score:7.5

    Affected Products

    Vendor
    Siemens
    Product
    Simatic Cp 343-1
    Vendor
    Siemens
    Product
    Simatic Cp 343-1 Firmware
    Vendor
    Siemens
    Product
    Simatic Cp 343-1 Lean
    Vendor
    Siemens
    Product
    Simatic Cp 343-1 Lean Firmware
    Vendor
    Siemens
    Product
    Siplus Net Cp 343-1
    Vendor
    Siemens
    Product
    Siplus Net Cp 343-1 Firmware
    Vendor
    Siemens
    Product
    Siplus Net Cp 343-1 Lean
    Vendor
    Siemens
    Product
    Siplus Net Cp 343-1 Lean 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