UBUNTU-CVE-2021-22895

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    UBUNTU-CVE-2021-22895

    Published: 11 Jun 2021Last Modified: 20 May 2026
    Upstream:
    CVE-2021-22895

    Summary:

    Details: Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the "Register with a Provider" flow.

    References: https://ubuntu.com/security/CVE-2021-22895, https://github.com/nextcloud/desktop/pull/2926, https://github.com/nextcloud/desktop/commit/b1ddd0e491b2af0ed040e658d8bcde2a7a61c9fc, https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5, https://github.com/nextcloud/desktop/releases/tag/v3.1.3, https://hackerone.com/reports/903424, https://www.cve.org/CVERecord?id=CVE-2021-22895

    Affected packages

    Package

    Name: nextcloud-desktop

    Purl: pkg:deb/ubuntu/nextcloud-desktop?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.5.3-1

    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-2021-22895 | CVE-DB