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    CVE-2021-36383

    Xen Orchestra (with xo-web through 5.80.0 and xo-server through 5.84.0) mishandles authorization, as demonstrated by modified WebSocket resourceSet.getAll data is which the attacker changes the permission field from none to admin. The attacker gains access to data sets such as VMs, Backups, Audit, Users, and Groups.

    Published:Jul 12, 2021
    Last Modified:Nov 21, 2024
    EPS:Jul 12, 2021
    EPSS Score:0.0015
    CVSS Score:4.3

    Affected Products

    Vendor
    Xen-orchestra
    Product
    Xo-server
    Vendor
    Xen-orchestra
    Product
    Xo-web

    Exploits

    https://github.com/vatesfr/xen-orchestra/issues/5712https://github.com/vatesfr/xen-orchestra/issues/5712

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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