# CVE-2024-28021: Security feature bypass in FOXMAN-UN

> Attackers can spoof trusted entities via certificate validation flaws in the message queueing mechanism, compromising confidentiality and integrity.

- **Severity:** High 7.4 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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:** 11 Jun 2024
- **Updated:** 29 Oct 2024
- **Also known as:** GHSA-qjqw-554m-3g9j

## What is CVE-2024-28021?

CVE-2024-28021 is a high-severity vulnerability in Hitachi Energy FOXMAN-UN, published on 11 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability exists in the FOXMAN-UN/UNEM server that affects the message 
queueing mechanism’s certificate validation. If exploited an attacker could spoof a trusted entity causing a loss of confidentiality 
and integrity.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2024-28021?

It affects 3 products.


Products: Hitachienergy Foxman-Un, Hitachienergy Foxman Un, Hitachienergy Unem.

## How do I fix CVE-2024-28021?

No fix has been published for CVE-2024-28021 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-28021 being exploited?

There is no known exploitation of CVE-2024-28021 in the wild and no public exploit code.

## Other vulnerabilities in Hitachi Energy FOXMAN-UN

- [CVE-2024-2013](https://insights.sbomify.com/CVE-2024-2013/): Auth bypass in FOXMAN-UN (critical 10.0)
- [CVE-2024-2012](https://insights.sbomify.com/CVE-2024-2012/): Auth bypass in FOXMAN-UN (critical 9.1)
- [CVE-2024-2011](https://insights.sbomify.com/CVE-2024-2011/): Memory corruption in FOXMAN-UN (high 8.6)
- [CVE-2022-3929](https://insights.sbomify.com/CVE-2022-3929/): Communication between the client and server partially using CORBA over TCP/IP (high 8.3)
- [CVE-2024-28020](https://insights.sbomify.com/CVE-2024-28020/): Hardcoded credentials in FOXMAN-UN (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-28021 and fix it if it is affected.

What it is: CVE-2024-28021 is a high-severity vulnerability in Hitachi Energy FOXMAN-UN, published on 11 Jun 2024. 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-2024-28021 in the wild and no public exploit code.

Affected product: Hitachi Energy FOXMAN-UN. 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-2024-28021/ (Markdown: https://insights.sbomify.com/CVE-2024-28021/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-28021
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-28021
- OSV: https://osv.dev/vulnerability/CVE-2024-28021

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-28021/
Summaries are generated and may contain mistakes; the official description above is the record.