# CVE-2020-16209: Fieldcomm Group HART-IP and hipserver - Stack-based Buffer Overflow

> Attackers can cause denial of service or execute arbitrary code on Fieldcomm Group HART-IP devices via stack-based buffer overflow in message processing.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 May 2022
- **Updated:** 16 Apr 2025
- **Also known as:** GHSA-3m8m-chpw-jfjm

## What is CVE-2020-16209?

CVE-2020-16209 is a critical memory corruption vulnerability in Fieldcomm Group HART-IP Developer Kit, published on 19 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A malicious attacker could exploit the interface of the Fieldcomm Group HART-IP (release 1.0.0.0) by constructing messages with sufficiently large payloads to overflow the internal buffer and crash the device, or obtain control of the device.

Weakness: CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2020-16209?

It affects 2 products.


Products: Fieldcommgroup Hart-Ip Developer Kit Firmware, Fieldcommgroup Hipserver.

## How do I fix CVE-2020-16209?

No fix has been published for CVE-2020-16209 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-16209 being exploited?

There is no known exploitation of CVE-2020-16209 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-16209 and fix it if it is affected.

What it is: CVE-2020-16209 is a critical memory corruption vulnerability in Fieldcomm Group HART-IP Developer Kit, published on 19 May 2022. 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-2020-16209 in the wild and no public exploit code.

Affected product: Fieldcomm Group HART-IP Developer Kit. 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-2020-16209/ (Markdown: https://insights.sbomify.com/CVE-2020-16209/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-16209
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-16209
- OSV: https://osv.dev/vulnerability/CVE-2020-16209

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-16209/
Summaries are generated and may contain mistakes; the official description above is the record.