The CPU hardware emulation in VMware Workstation 6.0.5 and earlier and 5.5.8 and earlier; Player 2.0.x through 2.0.5 and 1.0.x through 1.0.8; ACE 2.0.x through 2.0.5 and earlier, and 1.0.x through 1.0.7; Server 1.0.x through 1.0.7; ESX 2.5.4 through 3.5; and ESXi 3.5, when running 32-bit and 64-bit guest operating systems, does not properly handle the Trap flag, which allows authenticated guest OS users to gain privileges on the guest OS.
Conclusion & alert: CVE-2008-4915 is rated Low Risk (39.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.41%). Mandatory action: 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.
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% | 0.41% | +0.34% |
| 2 | 2025-05-05 | 0.05% | 0.07% | +0.03% |
| 3 | 2025-03-30 | — | 0.05% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.9 | 2.0 | MEDIUM |
|
3.4 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2008-4915: 1 GLSA(s) (201209-25), 3 atom(s) (app-emulation/vmware-player, app-emulation/vmware-server, app-emulation/vmware-workstation); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-4915 |
ubuntu
|
medium | CVE-2008-4915 medium priority: Ubuntu including 2 source packages (vmware-player, vmware-server), 14 status rows across 7 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 11, needs-triage 2, ignored 1. | https://ubuntu.com/security/CVE-2008-4915 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| vmware | ace | >= 1.0, <= 1.0.7 | cpe:2.3:a:vmware:ace:*:*:*:*:*:*:*:* |
| vmware | ace | >= 2.0, <= 2.0.5 | cpe:2.3:a:vmware:ace:*:*:*:*:*:*:*:* |
| vmware | esx | >= 2.5.4, <= 3.5 | cpe:2.3:a:vmware:esx:*:*:*:*:*:*:*:* |
| vmware | esxi | 3.5 | cpe:2.3:a:vmware:esxi:3.5:*:*:*:*:*:*:* |
| vmware | player | >= 1.0.0, <= 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, <= 1.0.7 | 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:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://lists.vmware.com/pipermail/security-announce/2008/000042.html | Vendor Advisory |
| http://secunia.com/advisories/32612 | Third Party Advisory |
| http://secunia.com/advisories/32624 | Third Party Advisory |
| http://security.gentoo.org/glsa/glsa-201209-25.xml | Third Party Advisory |
| http://www.securityfocus.com/archive/1/498138/100/0/threaded | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/32168 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id?1021154 | Third Party Advisory VDB Entry |
| http://www.vmware.com/security/advisories/VMSA-2008-0018.html | Vendor Advisory |
| http://www.vupen.com/english/advisories/2008/3052 | Third Party Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/46415 | Third Party Advisory VDB Entry |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6309 | Third Party Advisory |