CVE-2011-1787: VMware Esx

Medium severity, CVSS 6.9. EPSS: 0.2% chance of exploitation in the next 30 days.

Race condition in mount.vmhgfs in the VMware Host Guest File System (HGFS) in VMware Workstation 7.1.x before 7.1.4, VMware Player 3.1.x before 3.1.4, VMware Fusion 3.1.x before 3.1.3, VMware ESXi 3.5 through 4.1, and VMware ESX 3.0.3 through 4.1 allows guest OS users to gain privileges on the guest OS by mounting a filesystem on top of an arbitrary directory.

Affected products

• VMware Esx: version 3.0.3 only; version 3.5 only; version 4.0 only; version 4.1 only
• VMware ESXi: version 3.5 only; version 4.0 only; version 4.1 only
• VMware Fusion: version 3.1 only; version 3.1.1 only; version 3.1.2 only
• VMware Player: version 3.1 only; version 3.1.1 only; version 3.1.2 only; version 3.1.3 only
• VMware Workstation: version 7.1.1 only; version 7.1.2 only; version 7.1.3 only

Published 2011-06-06. Last modified 2026-06-16.