How severe is CVE-2008-3761?

CVE-2008-3761 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2008-3761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3761?

CVE-2008-3761 affects Vmware Vmware Workstation. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-3761?

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

When was CVE-2008-3761 published?

CVE-2008-3761 was published on 2008-08-21 and last updated on 2026-06-16.

CVE-2008-3761

CVE-2008-3761 is a medium-severity vulnerability in Vmware Vmware Workstation with a CVSS 2.0 base score of 4.9. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Vmware Vmware Workstation
Published: 2008-08-21
Last modified: 2026-06-16

Description

hcmon.sys in VMware Workstation 6.5.1 and earlier, VMware Player 2.5.1 and earlier, VMware ACE 2.5.1 and earlier, and VMware Server 1.0.x before 1.0.9 build 156507 and 2.0.x before 2.0.1 build 156745 uses the METHOD_NEITHER communication method for IOCTLs, which allows local users to cause a denial of service via a crafted IOCTL request.

Frequently asked questions

What is CVE-2008-3761?: hcmon.sys in VMware Workstation 6.5.1 and earlier, VMware Player 2.5.1 and earlier, VMware ACE 2.5.1 and earlier, and VMware Server 1.0.x before 1.0.9 build 156507 and 2.0.x before 2.0.1 build 156745 uses the METHOD_NEITHER communication method for IOCTLs, which allows local users to cause a denial of service via a crafted IOCTL request.
How severe is CVE-2008-3761?: CVE-2008-3761 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2008-3761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3761?: CVE-2008-3761 affects Vmware Vmware Workstation. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-3761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-3761 published?: CVE-2008-3761 was published on 2008-08-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:vmware:vmware_workstation:6.0.0.45731:*:*:*:*:*:*:*

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