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    CVE-2022-39334

    Nextcloud also ships a CLI utility called nextcloudcmd which is sometimes used for automated scripting and headless servers. Versions of nextcloudcmd prior to 3.6.1 would incorrectly trust invalid TLS certificates, which may enable a Man-in-the-middle attack that exposes sensitive data or credentials to a network attacker. This affects the CLI only. It does not affect the standard GUI desktop Nextcloud clients, and it does not affect the Nextcloud server.

    Published:Nov 25, 2022
    Last Modified:Nov 3, 2025
    EPS:Nov 25, 2022
    EPSS Score:0.00025
    CVSS Score:3.9

    Affected Products

    Vendor
    Nextcloud
    Product
    Desktop

    Exploits

    https://github.com/nextcloud/desktop/issues/4927https://github.com/nextcloud/desktop/issues/4927

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

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    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