CVE-2021-28117

    Dashboard / Vulnerabilities / CVE-2021-28117

    CVE-2021-28117

    Published: 20 Mar 2021Last Modified: 9 Jul 2026

    Summary:

    Details: libdiscover/backends/KNSBackend/KNSResource.cpp in KDE Discover before 5.21.3 automatically creates links to potentially dangerous URLs (that are neither https:// nor http://) based on the content of the store.kde.org web site. (5.18.7 is also a fixed version.)

    References: https://github.com/KDE/discover/releases, https://userbase.kde.org/Discover, https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356, https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60, https://kde.org/info/security/advisory-20210310-1.txt

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -d96cf4bd89ca0572d0941cf63d93169e805e2780

    Affected versions

    v5.21.2
    v5.21.1
    v5.21.0

    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
    CVE-2021-28117 | CVE-DB