CVE-2023-20867

VMware Tools

Published 13 Jun 2023 · updated 17 Jun 2026 · Analyzed

3.9 Low · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 23 Jun 2023, with a remediation deadline of 14 Jul 2023 for US federal agencies.

Required action: Apply updates per vendor instructions.

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.

References

www.openwall.com/lists/oss-security/2023/10/16/11 · Mailing List, Patch
www.openwall.com/lists/oss-security/2023/10/16/2 · Mailing List, Patch
lists.debian.org/debian-lts-announce/2023/08/msg00020.html · Mailing List, Third Party Advisory
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/ · Mailing List, Release Notes
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/ · Mailing List, Release Notes
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/ · Mailing List, Release Notes
security.netapp.com/advisory/ntap-20230725-0001/ · Third Party Advisory
www.debian.org/security/2023/dsa-5493 · Mailing List, Third Party Advisory
www.vmware.com/security/advisories/VMSA-2023-0013.html · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20867 · US Government Resource