CVE-2009-1146: VMware Ace

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Unspecified vulnerability in an ioctl in 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 allows local users to cause a denial of service via unknown vectors, a different vulnerability than CVE-2008-3761.

Affected products

• VMware Ace: up to and including 2.5.1; version 1.0 only; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; …
• VMware Player: up to and including 2.5.1; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …
• VMware Server: version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; version 1.0.5 only; …
• VMware Workstation: up to and including 6.5.1; version 1.0.1 only; version 1.0.2 only; version 1.0.4 only; version 1.0.5 only; version 1.1 only; …

Published 2009-04-06. Last modified 2026-06-16.