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    CVE-2021-3127

    NATS Server 2.x before 2.2.0 and JWT library before 2.0.1 have Incorrect Access Control because Import Token bindings are mishandled.

    Published:Mar 16, 2021
    Last Modified:Mar 30, 2026
    EPS:Mar 16, 2021
    EPSS Score:0.0029
    CVSS Score:7.5

    Affected Products

    Vendor
    Linuxfoundation
    Product
    Nats-server
    Vendor
    Nats
    Product
    Jwt Library

    Exploits

    https://advisories.nats.io/CVE/CVE-2021-3127.txthttps://advisories.nats.io/CVE/CVE-2021-3127.txt

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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