CVE-2023-20867
Severity not reported CISA KEVData quality: kev only.
This record comes from the CISA KEV catalog only; NVD details have not been synced yet.
VMware Tools Authentication Bypass Vulnerability
Vendor / product: VMware — Tools
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.
CVSS
—
Not reported by the source
Timeline (UTC)
Published: not reported
Modified: not reported
NVD status: not reported
Last synced 2 days ago
Verified against the source API 2026-10-27 06:50 UTC
Exploitation
Listed in CISA KEV
Added 2023-06-23 · due 2023-07-14
Known ransomware use: Unknown
Required action (CISA)
Apply updates per vendor instructions.
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- No references reported.
Data sources
CISA KEV — fetched 2026-10-27 06:50 UTC · record ↗