How severe is CVE-2011-1787?

CVE-2011-1787 has a CVSS 2.0 base score of 6.9, rated medium severity.

Is CVE-2011-1787 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1787?

CVE-2011-1787 primarily affects Vmware Workstation. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1787?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1787 published?

CVE-2011-1787 was published on 2011-06-06 and last updated on 2026-06-16.

CVE-2011-1787

CVE-2011-1787 is a medium-severity vulnerability in Vmware Workstation with a CVSS 2.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

Severity: Medium (CVSS 2.0 base score 6.9)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Vmware Workstation
Published: 2011-06-06
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2011-1787?: 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.
How severe is CVE-2011-1787?: CVE-2011-1787 has a CVSS 2.0 base score of 6.9, rated medium severity.
Is CVE-2011-1787 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1787?: CVE-2011-1787 primarily affects Vmware Workstation. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1787?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1787 published?: CVE-2011-1787 was published on 2011-06-06 and last updated on 2026-06-16.

References

Affected products (17)

cpe:2.3:a:vmware:workstation:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:7.1.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:7.1.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:player:3.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:player:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:player:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:player:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:3.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esx:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esx:3.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esx:4.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esx:4.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esxi:3.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esxi:4.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esxi:4.1:*:*:*:*:*:*:*

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