CVE-2023-47090

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    CVE-2023-47090

    Published: 30 Oct 2023Last Modified: 28 Oct 2026

    Summary:

    Details: NATS nats-server before 2.9.23 and 2.10.x before 2.10.2 has an authentication bypass. An implicit $G user in an authorization block can sometimes be used for unauthenticated access, even when the intention of the configuration was for each user to have an account. The earliest affected version is 2.2.0.

    References: https://www.openwall.com/lists/oss-security/2023/10/13/2, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47090.json, https://github.com/nats-io/nats-server/security/advisories/GHSA-fr2g-9hjm-wr23, https://nvd.nist.gov/vuln/detail/CVE-2023-47090, http://www.openwall.com/lists/oss-security/2023/10/30/1

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0e3c7230e4b7c85795592f74a62351f6fe22fcbd
    Fixed -45436e1e5021106cebc9d76e6af0779c908b0f7a

    Affected versions

    v2.10.1
    v2.10.0

    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
    CVE-2023-47090 | CVE-DB