UBUNTU-CVE-2023-20900

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    UBUNTU-CVE-2023-20900

    Published: 31 Aug 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-20900

    Summary:

    Details: A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html  in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias https://vdc-download.vmware.com/vmwb-repository/dcr-public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd-db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html .

    References: https://ubuntu.com/security/CVE-2023-20900, https://www.vmware.com/security/advisories/VMSA-2023-0019, https://github.com/vmware/open-vm-tools/tree/CVE-2023-20900.patch, https://ubuntu.com/security/notices/USN-6365-1, https://ubuntu.com/security/notices/USN-6365-2, https://www.cve.org/CVERecord?id=CVE-2023-20900

    Affected packages

    Package

    Name: open-vm-tools

    Purl: pkg:deb/ubuntu/open-vm-tools@2:10.2.0-3~ubuntu0.16.04.1+esm3?arch=source&distro=esm-infra/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:10.2.0-3~ubuntu0.16.04.1+esm3

    Affected versions

    2:9.10.2-2822639-1ubuntu3

    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-2023-20900 | CVE-DB