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
Published Jun 5, 2008
4.4
MEDIUMCVSS 2.0
EPSS 0.39%
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.
Affected products
No data.
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 2.5.5
- 1.0.4
- 1.0.3
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.5
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.4
- 5.5.0
- 5.5.2
- 5.5.5
- 5.5.1
- 5.5.3
- 5.5.4
- 2.5.4
- 3.0.0
- 3.0.1
- 3.0.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00388) | 30.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00388) | 30.39th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00099) | 25.12th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (12)
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=712 third-party-advisoryx_refsource_IDEFENSE
- http://secunia.com/advisories/30556 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://security.gentoo.org/glsa/glsa-201209-25.xml vendor-advisoryx_refsource_GENTOO
- http://securityreason.com/securityalert/3922 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1020197 vdb-entryx_refsource_SECTRACK
- http://www.securityfocus.com/archive/1/493080/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/493148/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/493172/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.vmware.com/security/advisories/VMSA-2008-0009.html x_refsource_CONFIRM
- http://www.vupen.com/english/advisories/2008/1744 vdb-entryx_refsource_VUPEN
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5358 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5688 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.