BIT-mattermost-2023-48732

    Dashboard / Vulnerabilities / BIT-mattermost-2023-48732

    BIT-mattermost-2023-48732

    Published: 6 Mar 2024Last Modified: 3 Apr 2025

    Summary:

    Details: Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.

    References: https://mattermost.com/security-updates, https://nvd.nist.gov/vuln/detail/CVE-2023-48732

    Affected packages

    Package

    Name: mattermost

    Purl: pkg:bitnami/mattermost

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -8.1.7

    Affected versions

    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