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    CVE-2022-43501

    KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones.

    Published:Feb 10, 2023
    Last Modified:Mar 24, 2025
    EPS:Feb 10, 2023
    EPSS Score:0.0021
    CVSS Score:9.1

    Affected Products

    Vendor
    Elwsc
    Product
    Kasago Ipv4
    Vendor
    Elwsc
    Product
    Kasago Ipv4 Light
    Vendor
    Elwsc
    Product
    Kasago Ipv6\/v4 Dual
    Vendor
    Elwsc
    Product
    Kasago Mobile Ipv6

    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