vulnerability

VMware VMware Tools: CVE-2023-20900: VMware Tools updates address a SAML Token Signature Bypass Vulnerability

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Severity

CVSS

(AV:A/AC:M/Au:S/C:C/I:C/A:C)

Published

Aug 29, 2023

Added

Jun 3, 2025

Modified

Apr 15, 2026

Description

VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor that has been granted Guest Operation Privileges 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.

Solution

vmware-tools-upgrade-latest

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23664
https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-25069
CVE-2023-20900
https://attackerkb.com/topics/CVE-2023-20900
CWE-294
EUVD-EUVD-2023-25069

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