CVE-2023-20867
VMware Tools Authentication Bypass Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Tools, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Jul 14, 2023.
Patch status
Official fix available since
Apply the vendor's update to every affected system. Check the fixed-in versions below where known.
Basis: NVD patch reference
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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| Tools | VMware (Broadcom) | >= 10.3.0, < 12.2.5 | 12.2.5 | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2023-20867 scored CVSS 3.9: VMware Tools, VMware Tools Authentication Bypass Vulnerability
CISA lists this as exploited in the wild. Unpatched Tools systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
- Patch releasedUpdateKEV
Patch released for CVE-2023-20867: VMware Tools, VMware Tools Authentication Bypass Vulnerability
An official fix is now available for VMware Tools. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference
1 earlier event is available with a subscription. See plans.
Coverage
We have not published a story about this vulnerability yet.