CVE-2023-30575

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    CVE-2023-30575

    Published: 7 Jun 2023Last Modified: 12 Aug 2026

    Summary: Apache Guacamole: Incorrect calculation of Guacamole protocol element lengths

    Details: Apache Guacamole 1.5.1 and older may incorrectly calculate the lengths of instruction elements sent during the Guacamole protocol handshake, potentially allowing an attacker to inject Guacamole instructions during the handshake through specially-crafted data.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30575.json, https://lists.apache.org/thread/tn63n2lon0h5p45oft834t1dqvvxownv, https://nvd.nist.gov/vuln/detail/CVE-2023-30575

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -83ca7aa16b49830b5adb5a0ce60082b385163934

    Affected versions

    1.5.1-RC1
    1.5.1
    1.5.0-RC1
    1.5.0

    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-2023-30575 | CVE-DB