Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!Close

CVE-2023-20900

Published: 31 August 2023

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 .

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
open-vm-tools
Launchpad, Ubuntu, Debian
trusty Not vulnerable
(code not present)
bionic
Released (2:11.0.5-4ubuntu0.18.04.3+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (12.3.0)
focal
Released (2:11.3.0-2ubuntu0~ubuntu20.04.6)
jammy
Released (2:12.1.5-3~ubuntu0.22.04.3)
lunar
Released (2:12.1.5-3ubuntu0.23.04.2)
xenial
Released (2:10.2.0-3~ubuntu0.16.04.1+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
mantic
Released (2:12.2.5-1ubuntu1)
Patches:
upstream: https://github.com/vmware/open-vm-tools/commit/74b6d0d9000eda1a2c8f31c40c725fb0b8520b16

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Adjacent
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H