# CVE-2022-43557: BD BodyGuard™ Pumps – RS-232 Interface Vulnerability

> Attackers with physical access can configure or disable BD BodyGuard infusion pumps via the RS-232 interface due to missing authorization checks.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Dec 2022
- **Updated:** 23 Apr 2025
- **Also known as:** GHSA-42mr-mfcr-7jqh

## What is CVE-2022-43557?

CVE-2022-43557 is a medium-severity missing authorization vulnerability in Becton, Dickinson and Company (BD) BodyGuard™ Pump, published on 5 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The BD BodyGuard™ infusion pumps specified allow for access through the RS-232 (serial) port interface. If exploited, threat actors with physical access, specialized equipment and knowledge may be able to configure or disable the pump. No electronic protected health information (ePHI), protected health information (PHI) or personally identifiable information (PII) is stored in the pump.

Weakness: CWE-287 (Improper Authentication), CWE-1299 (Missing Protection Mechanism for Alternate Hardware Interface)

## Which versions are affected by CVE-2022-43557?

It affects 7 products.


Products: Bd Bodyguard 121 Twins Firmware, Bd Bodyguard 323 Colorvision Firmware, Bd Bodyguard 999-603 Firmware, Bd Bodyguard Duo 999-903 Firmware, Bd Bodyguard Epidural 999-683 Firmware, Bd Bodyguard Pain Manager 999-803 Firmware, Bd Bodyguard T 999-103 Firmware.

## How do I fix CVE-2022-43557?

No fix has been published for CVE-2022-43557 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-43557 being exploited?

There is no known exploitation of CVE-2022-43557 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-43557 and fix it if it is affected.

What it is: CVE-2022-43557 is a medium-severity missing authorization vulnerability in Becton, Dickinson and Company (BD) BodyGuard™ Pump, published on 5 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-43557 in the wild and no public exploit code.

Affected product: Becton, Dickinson and Company (BD) BodyGuard™ Pump. 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-2022-43557/ (Markdown: https://insights.sbomify.com/CVE-2022-43557/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-43557
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-43557
- OSV: https://osv.dev/vulnerability/CVE-2022-43557

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-43557/
Summaries are generated and may contain mistakes; the official description above is the record.