CVE-2019-11777

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    CVE-2019-11777

    Published: 11 Sept 2019Last Modified: 27 Aug 2026

    Summary:

    Details: In the Eclipse Paho Java client library version 1.2.0, when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. This could allow one MQTT server to impersonate another and provide the client library with incorrect information.

    References: https://bugs.eclipse.org/bugs/show_bug.cgi?id=549934

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- e36f2ec59c260e97a9fb832d4e83faadd588ff4a
    Fixed -None

    Affected versions

    1.2.0

    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