CVE-2023-20867
VMware Tools Authentication Bypass Vulnerability
VMware ToolsContainers & cloud
CVSS
3.9LowExploit odds (EPSS)13.6%Chance of exploitation activity in the next 30 days, higher than 96% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
Description
VMware Tools contains an authentication bypass vulnerability in the vgauth module. 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. An attacker must have root access over ESXi to exploit this vulnerability.
Text from CVE List
Affected versions 1
- VMware Toolsunaffected: 12.2.5CVE List
References 9
- vmware.com/security/advisories/VMSA-2023-0013.htmlAdvisoryvia CVE List
- security.netapp.com/advisory/ntap-20230725-0001/Advisoryvia CVE List
- debian.org/security/2023/dsa-5493Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2023-20867Referencevia CISA KEV
- lists.debian.org/debian-lts-announce/2023/08/msg00020.htmlReferencevia CVE List
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/Referencevia CVE List
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/Referencevia CVE List
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20867Referencevia CVE List