# CVE-2023-20867

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.

- Page: https://www.vulneraibility.com/cve/CVE-2023-20867
- CVSS: 3.9
- Known exploited: yes, in CISA KEV since 2023-06-23; CISA due date 2023-07-14
- EPSS: 13.64% (percentile 96.5)
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2025-02-04)
- Weakness: CWE-287
- Published: 2023-06-13

## Affected

- vmware:tools
- debian:debian_linux
- fedoraproject:fedora

## References

- [other] https://www.vmware.com/security/advisories/VMSA-2023-0013.html
- [other] https://security.netapp.com/advisory/ntap-20230725-0001/
- [other] https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html
- [other] https://www.debian.org/security/2023/dsa-5493
- [other] https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/
- [other] https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/
- [other] https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/
- [other] http://www.openwall.com/lists/oss-security/2023/10/16/2
- [other] http://www.openwall.com/lists/oss-security/2023/10/16/11
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20867

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.