CVE-2011-1787

Race condition in mount.vmhgfs in the VMware Host Guest File System (HGFS) in VMware Workstation...

6.9 MediumFix available

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.

Exploit likelihood

0.24%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 6.9

Record: CVE-2011-1787
CVSS 2.0: 6.9 MediumAV:L/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-362
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-1787
Updated: 2026-11-02

EUVDEUVD-2011-1785 No score

Record: EUVD-2011-1785
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cm43-w9vf-5r6r No score

Race condition in mount.vmhgfs in the VMware Host Guest File System (HGFS) in VMware Workstation...

Record: GHSA-cm43-w9vf-5r6r
Weakness: CWE-362
Updated: 2026-11-02

OSV No score

Record: CVE-2011-1787
Updated: 2026-11-02

OSVDEBIAN-CVE-2011-1787 No score

Record: DEBIAN-CVE-2011-1787
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`open-vm-tools` Debian:12	before 2:8.4.2+2011.08.21-471295-1	2:8.4.2+2011.08.21-471295-1
`open-vm-tools` Debian:13	before 2:8.4.2+2011.08.21-471295-1	2:8.4.2+2011.08.21-471295-1
`open-vm-tools` Debian:14	before 2:8.4.2+2011.08.21-471295-1	2:8.4.2+2011.08.21-471295-1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-1787 is a medium vulnerability (CVSS 6.9) in Vmware Esx, published June 6, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. Fixed in open-vm-tools 2:8.4.2+2011.08.21-471295-1.