UBUNTU-CVE-2016-9877

    Dashboard / Vulnerabilities / UBUNTU-CVE-2016-9877

    UBUNTU-CVE-2016-9877

    Published: 29 Dec 2016Last Modified: 4 Feb 2026
    Upstream:
    CVE-2016-9877
    Aliases:
    USN-3374-1

    Summary:

    Details: An issue was discovered in Pivotal RabbitMQ 3.x before 3.5.8 and 3.6.x before 3.6.6 and RabbitMQ for PCF 1.5.x before 1.5.20, 1.6.x before 1.6.12, and 1.7.x before 1.7.7. MQTT (MQ Telemetry Transport) connection authentication with a username/password pair succeeds if an existing username is provided but the password is omitted from the connection request. Connections that use TLS with a client-provided certificate are not affected.

    References: https://ubuntu.com/security/CVE-2016-9877, https://pivotal.io/security/cve-2016-9877, https://github.com/rabbitmq/rabbitmq-mqtt/pull/98, https://ubuntu.com/security/notices/USN-3374-1, https://www.cve.org/CVERecord?id=CVE-2016-9877

    Affected packages

    Package

    Name: rabbitmq-server

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.2.4-1ubuntu0.1

    Affected versions

    3.1.3-1
    3.1.5-1

    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
    UBUNTU-CVE-2016-9877 | CVE-DB