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

> Unauthenticated users can download agent packages from the ePO repository in DMZ configurations, allowing them to join the network and retrieve policy details.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Mar 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-6gh5-794v-v6mc

## What is CVE-2021-23890?

CVE-2021-23890 is a medium-severity vulnerability in Mcafee Epolicy Orchestrator, published on 26 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2021-23890?

It affects 1 product.


Products: Mcafee Epolicy Orchestrator.

## How do I fix CVE-2021-23890?

No fix has been published for CVE-2021-23890 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-23890 being exploited?

There is no known exploitation of CVE-2021-23890 in the wild and no public exploit code.

## Other vulnerabilities in Mcafee Epolicy Orchestrator

- [CVE-2016-8027](https://insights.sbomify.com/CVE-2016-8027/): SQL injection in McAfee ePolicy Orchestrator (ePO) 5.3.2 and earlier and 5.1.3 and earlier (critical 10.0)
- [CVE-2006-5156](https://insights.sbomify.com/CVE-2006-5156/): Memory corruption in n/a (critical 10.0)
- [CVE-2002-0690](https://insights.sbomify.com/CVE-2002-0690/): Code injection in n/a (critical 10.0)
- [CVE-2007-1498](https://insights.sbomify.com/CVE-2007-1498/): Memory corruption in n/a (critical 9.3)
- [CVE-2015-8765](https://insights.sbomify.com/CVE-2015-8765/): Deserialization in n/a (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-23890 and fix it if it is affected.

What it is: CVE-2021-23890 is a medium-severity vulnerability in Mcafee Epolicy Orchestrator, published on 26 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-23890 in the wild and no public exploit code.

Affected product: Mcafee Epolicy Orchestrator. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-23890/ (Markdown: https://insights.sbomify.com/CVE-2021-23890/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-23890
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-23890
- OSV: https://osv.dev/vulnerability/CVE-2021-23890

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-23890/
Summaries are generated and may contain mistakes; the official description above is the record.