# CVE-2016-5686: Auth bypass in n/a

> Remote attackers can bypass authentication on Animas OneTouch Ping insulin pumps by exploiting mishandled acknowledgements in the communication protocol.

- **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:** 5 Oct 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-53v9-44m6-4qm5

## What is CVE-2016-5686?

CVE-2016-5686 is a critical authentication bypass vulnerability in n/a, published on 5 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Johnson & Johnson Animas OneTouch Ping devices mishandle acknowledgements, which makes it easier for remote attackers to bypass authentication via a custom communication protocol.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2016-5686?

It affects 1 product.


Products: Animas Onetouch Ping Firmware.

## How do I fix CVE-2016-5686?

No fix has been published for CVE-2016-5686 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-5686 being exploited?

There is no known exploitation of CVE-2016-5686 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2016-5086](https://insights.sbomify.com/CVE-2016-5086/): Auth bypass in n/a (critical 9.8)
- [CVE-2016-5084](https://insights.sbomify.com/CVE-2016-5084/): Weak cryptography in n/a (high 7.5)
- [CVE-2016-5085](https://insights.sbomify.com/CVE-2016-5085/): Weak cryptography in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-5686 and fix it if it is affected.

What it is: CVE-2016-5686 is a critical authentication bypass vulnerability in n/a, published on 5 Oct 2016. 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-2016-5686 in the wild and no public exploit code.

Affected product: n/a. 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-2016-5686/ (Markdown: https://insights.sbomify.com/CVE-2016-5686/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-5686
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-5686
- OSV: https://osv.dev/vulnerability/CVE-2016-5686

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-5686/
Summaries are generated and may contain mistakes; the official description above is the record.