CVE-2023-20867

3.9 LOW CISA KEV - Actively Exploited

Published: June 13, 2023 Modified: October 28, 2025

Description

A 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.

AI Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.openwall.com/lists/oss-security/2023/10/16/11

Source: security@vmware.com

Mailing List Patch

http://www.openwall.com/lists/oss-security/2023/10/16/2

Source: security@vmware.com

Mailing List Patch

https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html

Source: security@vmware.com

Mailing List Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/

Source: security@vmware.com

Mailing List Release Notes

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/

Source: security@vmware.com

Mailing List Release Notes

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/

Source: security@vmware.com

Mailing List Release Notes

https://security.netapp.com/advisory/ntap-20230725-0001/

Source: security@vmware.com

Third Party Advisory

https://www.debian.org/security/2023/dsa-5493

Source: security@vmware.com

Mailing List Third Party Advisory

https://www.vmware.com/security/advisories/VMSA-2023-0013.html

Source: security@vmware.com

Patch Vendor Advisory

http://www.openwall.com/lists/oss-security/2023/10/16/11