# CVE-2015-3954: Auth bypass in Plum A+ Infusion System

> Unauthenticated users gain root privileges via default Telnet access on Hospira infusion pumps, allowing command execution.

- **Severity:** Critical 9.8 (`CVSS:3.0/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:** 25 Mar 2019
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-x5v7-rmgq-cm8v

## What is CVE-2015-3954?

CVE-2015-3954 is a critical authentication bypass vulnerability in Hospira Plum A+ Infusion System, published on 25 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Hospira Plum A+ Infusion System version 13.4 and prior, Plum A+3 Infusion System version 13.6 and prior, and Symbiq Infusion System, version 3.13 and prior give unauthenticated users root privileges on Port 23/TELNET by default. An unauthorized user could issue commands to the pump. Hospira recommends that customers close Port 23/TELNET on the affected devices. Hospira has also released the Plum 360 Infusion System which is not vulnerable to this issue.

Weakness: CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2015-3954?

It affects 3 products.


Products: Pifzer Plum A\+3 Infusion System Firmware, Pifzer Plum A\+ Infusion System Firmware, Pifzer Symbiq Infusion System Firmware.

## How do I fix CVE-2015-3954?

No fix has been published for CVE-2015-3954 yet. Limit exposure of the affected software until one is available.

## Is CVE-2015-3954 being exploited?

There is no known exploitation of CVE-2015-3954 in the wild and no public exploit code.

## Other vulnerabilities in Hospira Plum A+ Infusion System

- [CVE-2015-3953](https://insights.sbomify.com/CVE-2015-3953/): Hardcoded credentials in Plum A+ Infusion System (critical 9.8)
- [CVE-2015-3956](https://insights.sbomify.com/CVE-2015-3956/): Missing authorization in Plum A+ Infusion System (critical 9.8)
- [CVE-2015-3952](https://insights.sbomify.com/CVE-2015-3952/): Information disclosure in Plum A+ Infusion System (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-3954 and fix it if it is affected.

What it is: CVE-2015-3954 is a critical authentication bypass vulnerability in Hospira Plum A+ Infusion System, published on 25 Mar 2019. 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-2015-3954 in the wild and no public exploit code.

Affected product: Hospira Plum A+ Infusion System. 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-2015-3954/ (Markdown: https://insights.sbomify.com/CVE-2015-3954/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-3954
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-3954
- OSV: https://osv.dev/vulnerability/CVE-2015-3954

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From sbomify Insights: https://insights.sbomify.com/CVE-2015-3954/
Summaries are generated and may contain mistakes; the official description above is the record.