CVE-2008-4279

The CPU hardware emulation for 64-bit guest operating systems in VMware Workstation 6.0.x before 6.0.5 build 109488 and 5.x before 5.5.8 build 108000; Player 2.0.x before 2.0.5 build 109488 and 1.x before 1.0.8; Server 1.x before 1.0.7 build 108231; and ESX 2.5.4 through 3.5 allows authenticated guest OS users to gain additional guest OS privileges by triggering an exception that causes the virtual CPU to perform an indirect jump to a non-canonical address.

Published: 2008-10-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-4279 is rated Low Risk (38.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.39%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2008-4279

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.07% 0.39% +0.32%
2 2025-05-05 0.04% 0.07% +0.03%
3 2025-03-17 — 0.04% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4279

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:L/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.1 10.0 [email protected]

Weakness enumeration for CVE-2008-4279

OS Trackers for CVE-2008-4279

vendor priority summary link
ubuntu medium CVE-2008-4279 medium priority: Ubuntu including 2 source packages (vmware-player, vmware-server), 16 status rows across 8 suites (dapper, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 11, ignored 3, released 2. https://ubuntu.com/security/CVE-2008-4279

Affected software / configurations for CVE-2008-4279

Vendor Product Version Raw CPE
vmware player >= 1.0, < 1.0.8 cpe:2.3:a:vmware:player:*:*:*:*:*:*:*:*
vmware player >= 2.0, < 2.0.5 cpe:2.3:a:vmware:player:*:*:*:*:*:*:*:*
vmware server >= 1.0, < 1.0.8 cpe:2.3:a:vmware:server:*:*:*:*:*:*:*:*
vmware workstation >= 5.5, < 5.5.8 cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*
vmware workstation >= 6.0, < 6.0.5 cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*
vmware esx >= 2.5.4, <= 3.5 cpe:2.3:o:vmware:esx:*:*:*:*:*:*:*:*

References for CVE-2008-4279

URL Tags
http://lists.grok.org.uk/pipermail/full-disclosure/2008-October/064860.html Third Party Advisory
http://marc.info/?l=bugtraq&m=122331139823057&w=2 Mailing List Third Party Advisory
http://secunia.com/advisories/32157 Third Party Advisory
http://secunia.com/advisories/32179 Third Party Advisory
http://secunia.com/advisories/32180 Third Party Advisory
http://www.securityfocus.com/archive/1/497041/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/31569 Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1020991 Third Party Advisory VDB Entry
http://www.vmware.com/security/advisories/VMSA-2008-0016.html Patch Vendor Advisory
http://www.vupen.com/english/advisories/2008/2740 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/45668 Third Party Advisory VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5929 Third Party Advisory
cvelogic Threat Intelligence