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    CVE-2021-43667

    A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.1.0. This bug can be leveraged by constructing a message whose payload is nil and sending this message with the method 'forwardToLeader'. This bug has been admitted and fixed by the developers of Fabric. If leveraged, any leader node will crash.

    Published:Nov 18, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 18, 2021
    EPSS Score:0.00545
    CVSS Score:7.5

    Affected Products

    Vendor
    Linuxfoundation
    Product
    Fabric

    Exploits

    https://jira.hyperledger.org/browse/FAB-18529https://jira.hyperledger.org/browse/FAB-18529

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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