How severe is CVE-2007-5671?

CVE-2007-5671 has a CVSS 2.0 base score of 4.4, rated medium severity.

Is CVE-2007-5671 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5671?

CVE-2007-5671 primarily affects Vmware Ace. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5671?

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

When was CVE-2007-5671 published?

CVE-2007-5671 was published on 2008-06-05 and last updated on 2026-06-16.

CVE-2007-5671

CVE-2007-5671 is a medium-severity vulnerability in Vmware Ace with a CVSS 2.0 base score of 4.4. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.4)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Vmware Ace
Published: 2008-06-05
Last modified: 2026-06-16

Description

HGFS.sys in the VMware Tools package in VMware Workstation 5.x before 5.5.6 build 80404, VMware Player before 1.0.6 build 80404, VMware ACE before 1.0.5 build 79846, VMware Server before 1.0.5 build 80187, and VMware ESX 2.5.4 through 3.0.2 does not properly validate arguments in user-mode METHOD_NEITHER IOCTLs to the \\.\hgfs device, which allows guest OS users to modify arbitrary memory locations in guest kernel memory and gain privileges.

Frequently asked questions

What is CVE-2007-5671?: HGFS.sys in the VMware Tools package in VMware Workstation 5.x before 5.5.6 build 80404, VMware Player before 1.0.6 build 80404, VMware ACE before 1.0.5 build 79846, VMware Server before 1.0.5 build 80187, and VMware ESX 2.5.4 through 3.0.2 does not properly validate arguments in user-mode METHOD_NEITHER IOCTLs to the \\.\hgfs device, which allows guest OS users to modify arbitrary memory locations in guest kernel memory and gain privileges.
How severe is CVE-2007-5671?: CVE-2007-5671 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2007-5671 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5671?: CVE-2007-5671 primarily affects Vmware Ace. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5671?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5671 published?: CVE-2007-5671 was published on 2008-06-05 and last updated on 2026-06-16.

References

Affected products (27)

cpe:2.3:a:vmware:ace:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:ace:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:ace:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:ace:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:ace:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esx_server:2.5.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:player:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:server:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_player:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_player:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_player:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_player:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_player:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_server:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_server:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_server:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_server:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_workstation:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_workstation:5.5.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vmware_workstation:5.5.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:5.5.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:5.5.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:5.5.4:*:*:*:*:*:*:*
cpe:2.3:o:vmware:esx:2.5.4:*:*:*:*:*:*:*
cpe:2.3:o:vmware:esx:3.0.0:*:*:*:*:*:*:*
cpe:2.3:o:vmware:esx:3.0.1:*:*:*:*:*:*:*
cpe:2.3:o:vmware:esx:3.0.2:*:*:*:*:*:*:*

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