VMware Tools Authentication Bypass Vulnerability

Summary

CVECVE-2023-20867
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-13 17:15:00 UTC
Updated2023-10-16 18:15:00 UTC
DescriptionA fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.

Risk And Classification

EPSS: 0.027190000 probability, percentile 0.858750000 (date 2026-04-02)

CISA KEV: Listed on 2023-06-23; due 2023-07-14; ransomware use Unknown

Problem Types: CWE-287

CISA Known Exploited Vulnerability

VendorVMware
ProductTools
NameVMware Tools Authentication Bypass Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://www.vmware.com/security/advisories/VMSA-2023-0013.html; https://nvd.nist.gov/vuln/detail/CVE-2023-20867

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vmware Tools All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 37 Update: open-vm-tools-12.3.0-1.fc37 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
CVE-2023-20867 VMware Tools Vulnerability in NetApp Products | NetApp Product Security MISC security.netapp.com
oss-security - CVE-2023-20867: open-vm-tools: Authentication Bypass vulnerability in the vgauth module MISC www.openwall.com
Debian -- Security Information -- DSA-5493-1 open-vm-tools MISC www.debian.org
[SECURITY] [DLA 3531-1] open-vm-tools security update MISC lists.debian.org
[SECURITY] Fedora 39 Update: open-vm-tools-12.3.0-1.fc39 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
VMSA-2023-0013 MISC www.vmware.com
oss-security - Re: CVE-2023-20867: open-vm-tools: Authentication Bypass vulnerability in the vgauth module MISC www.openwall.com
[SECURITY] Fedora 38 Update: open-vm-tools-12.3.0-1.fc38 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 160758 Oracle Enterprise Linux Security Update for open-vm-tools (ELSA-2023-3944)
  • 160769 Oracle Enterprise Linux Security Update for open-vm-tools (ELSA-2023-3949)
  • 160770 Oracle Enterprise Linux Security Update for open-vm-tools (ELSA-2023-3948)
  • 199619 Ubuntu Security Notification for Open VM Tools Vulnerability (USN-6257-1)
  • 241768 Red Hat Update for open-vm-tools (RHSA-2023:3949)
  • 241769 Red Hat Update for open-vm-tools (RHSA-2023:3947)
  • 241770 Red Hat Update for open-vm-tools (RHSA-2023:3948)
  • 241771 Red Hat Update for open-vm-tools (RHSA-2023:3946)
  • 241772 Red Hat Update for open-vm-tools (RHSA-2023:3944)
  • 241773 Red Hat Update for open-vm-tools (RHSA-2023:3950)
  • 241774 Red Hat Update for open-vm-tools (RHSA-2023:3945)
  • 257243 CentOS Security Update for open-vm-tools (CESA-2023:3944)
  • 284506 Fedora Security Update for open (FEDORA-2023-df375d0634)
  • 284529 Fedora Security Update for open (FEDORA-2023-9b1a1023ac)
  • 285262 Fedora Security Update for open (FEDORA-2023-20b6ac4b6c)
  • 355586 Amazon Linux Security Advisory for open-vm-tools : ALAS2-2023-2139
  • 355637 Amazon Linux Security Advisory for open-vm-tools : ALAS2023-2023-259
  • 378578 VMware Tools Authentication Bypass Vulnerability (VMSA-2023-0013)
  • 378711 Alibaba Cloud Linux Security Update for open-vm-tools (ALINUX3-SA-2023:0076)
  • 378763 Alibaba Cloud Linux Security Update for open-vm-tools (ALINUX2-SA-2023:0031)
  • 506132 Alpine Linux Security Update for open-vm-tools
  • 6000023 Debian Security Update for open-vm-tools (DSA 5493-1)
  • 6000029 Debian Security Update for open-vm-tools (DLA 3531-1)
  • 6140302 AWS Bottlerocket Security Update for open-vm-tools (GHSA-hm65-gmgh-7m83)
  • 754102 SUSE Enterprise Linux Security Update for open-vm-tools (SUSE-SU-2023:2530-1)
  • 754124 SUSE Enterprise Linux Security Update for open-vm-tools (SUSE-SU-2023:2604-1)
  • 941174 AlmaLinux Security Update for open-vm-tools (ALSA-2023:3949)
  • 941176 AlmaLinux Security Update for open-vm-tools (ALSA-2023:3948)
  • 960953 Rocky Linux Security Update for open-vm-tools (RLSA-2023:3948)
  • 960956 Rocky Linux Security Update for open-vm-tools (RLSA-2023:3949)
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