CVE Database›CVE-2023-20900

CVE-2023-20900

open-vm-tools: SAML token signature bypass

Loading…

Severity

Important

Red Hat Product Security

7.1

CVSS 3.1

Review impact separately from score.

Published · August 31, 2023

Updated · October 9, 2026

Description

An improper signature verification flaw was found in open-vm-tools that may lead to a bypass of SAML token signature. 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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.1
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-347 · Improper Verification of Cryptographic Signature