CVE-2023-20900

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Summary

CVECVE-2023-20900
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-08-31 10:15:08 UTC
Updated2026-10-08 22:17:22 UTC
DescriptionA 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 .

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-294 | SAML Token Signature Bypass vulnerability

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary7.1HIGHCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.1HIGHCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows - All All All
Application Vmware Tools All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na VMware Tools affected 12.x.x Windows
CNA Na VMware Tools affected 11.x.x Windows
CNA Na VMware Tools affected 10.3.x Windows
CNA Na VMware Tools affected 10.3.x Linux
CNA Na VMware Tools Open-vm-tools affected 12.x.x Linux
CNA Na VMware Tools Open-vm-tools affected 11.x.x Linux
CNA Na VMware Tools Open-vm-tools affected 10.3.x Linux

References

ReferenceSourceLinkTags
CVE-2023-20900 VMware Tools Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
VMSA-2023-0019 af854a3a-2127-422b-91ae-364da2661108 www.vmware.com Patch, Vendor Advisory
Debian -- Security Information -- DSA-5493-1 open-vm-tools af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
oss-security - CVE-2023-34058 - SAML Token Signature Bypass in open-vm-tools af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch
[SECURITY] Fedora 37 Update: open-vm-tools-12.3.0-1.fc37 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List
[SECURITY] [DLA 3597-1] open-vm-tools security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List
oss-security - [Security Advisory] open-vm-tools: SAML token signature bypass vulnerability (CVE-2023-20900) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
[SECURITY] Fedora 39 Update: open-vm-tools-12.3.0-1.fc39 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List
[SECURITY] Fedora 38 Update: open-vm-tools-12.3.0-1.fc38 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160924 Oracle Enterprise Linux Security Update for open-vm-tools (ELSA-2023-5217)
  • 160936 Oracle Enterprise Linux Security Update for open-vm-tools (ELSA-2023-5313)
  • 160937 Oracle Enterprise Linux Security Update for open-vm-tools (ELSA-2023-5312)
  • 199782 Ubuntu Security Notification for Open VM Tools Vulnerability (USN-6365-2)
  • 242056 Red Hat Update for open-vm-tools (RHSA-2023:5218)
  • 242058 Red Hat Update for open-vm-tools (RHSA-2023:5210)
  • 242063 Red Hat Update for open-vm-tools (RHSA-2023:5217)
  • 242064 Red Hat Update for open-vm-tools (RHSA-2023:5220)
  • 242065 Red Hat Update for open-vm-tools (RHSA-2023:5213)
  • 242066 Red Hat Update for open-vm-tools (RHSA-2023:5216)
  • 242080 Red Hat Update for open-vm-tools (RHSA-2023:5312)
  • 242081 Red Hat Update for open-vm-tools (RHSA-2023:5313)
  • 257257 CentOS Security Update for open-vm-tools
  • 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)
  • 356110 Amazon Linux Security Advisory for open-vm-tools : ALAS2023-2023-350
  • 356154 Amazon Linux Security Advisory for open-vm-tools : ALAS2-2023-2250
  • 378888 Alibaba Cloud Linux Security Update for open-vm-tools (ALINUX2-SA-2023:0039)
  • 378926 Alibaba Cloud Linux Security Update for open-vm-tools (ALINUX3-SA-2023:0116)
  • 379090 IBM QRadar SIEM Multiple Security Vulnerabilities (7070736)
  • 506133 Alpine Linux Security Update for open-vm-tools
  • 6000023 Debian Security Update for open-vm-tools (DSA 5493-1)
  • 6000104 Debian Security Update for open-vm-tools (DLA 3597-1)
  • 6140189 AWS Bottlerocket Security Update for open-vm-tools (GHSA-q879-mrf6-4fg3)
  • 754931 SUSE Enterprise Linux Security Update for open-vm-tools (SUSE-SU-2023:3795-1)
  • 754955 SUSE Enterprise Linux Securitys update for open-vm-tools (SUSE-SU-2023:3835-1)
  • 941262 AlmaLinux Security Update for open-vm-tools (ALSA-2023:5312)
  • 941270 AlmaLinux Security Update for open-vm-tools (ALSA-2023:5313)
  • 961021 Rocky Linux Security Update for open-vm-tools (RLSA-2023:5312)
  • 961023 Rocky Linux Security Update for open-vm-tools (RLSA-2023:5313)

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