# CVE-2019-5317: Auth bypass in Aruba Instant Access Points

> Local attackers can bypass authentication on Aruba Instant Access Points to gain elevated privileges or bypass security controls.

- **Severity:** Medium 6.8 (`CVSS:3.1/AV:P/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Mar 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-2c8c-2rmr-9rrp

## What is CVE-2019-5317?

CVE-2019-5317 is a medium-severity authentication bypass vulnerability in Siemens Scalance W1750d Firmware, published on 29 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A local authentication bypass vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.18 and below; Aruba Instant 6.5.x: 6.5.4.15 and below; Aruba Instant 8.3.x: 8.3.0.11 and below; Aruba Instant 8.4.x: 8.4.0.5 and below; Aruba Instant 8.5.x: 8.5.0.6 and below; Aruba Instant 8.6.x: 8.6.0.2 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2019-5317?

It affects 2 products.


Products: Arubanetworks Instant, Siemens Scalance W1750d Firmware.

## How do I fix CVE-2019-5317?

No fix has been published for CVE-2019-5317 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-5317 being exploited?

There is no known exploitation of CVE-2019-5317 in the wild and no public exploit code.

## Other vulnerabilities in Siemens Scalance W1750d Firmware

- [CVE-2019-5319](https://insights.sbomify.com/CVE-2019-5319/): Memory corruption in Aruba Instant Access Points (critical 9.8)
- [CVE-2020-24636](https://insights.sbomify.com/CVE-2020-24636/): Command injection in Aruba Instant Access Points (critical 9.8)
- [CVE-2021-25149](https://insights.sbomify.com/CVE-2021-25149/): Memory corruption in Aruba Instant Access Points (critical 9.8)
- [CVE-2021-25150](https://insights.sbomify.com/CVE-2021-25150/): Command injection in Aruba Instant Access Points (high 8.8)
- [CVE-2021-25144](https://insights.sbomify.com/CVE-2021-25144/): Memory corruption in Aruba Instant Access Points (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-5317 and fix it if it is affected.

What it is: CVE-2019-5317 is a medium-severity authentication bypass vulnerability in Siemens Scalance W1750d Firmware, published on 29 Mar 2021. 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-2019-5317 in the wild and no public exploit code.

Affected product: Siemens Scalance W1750d Firmware. 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-2019-5317/ (Markdown: https://insights.sbomify.com/CVE-2019-5317/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-5317
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-5317
- OSV: https://osv.dev/vulnerability/CVE-2019-5317

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-5317/
Summaries are generated and may contain mistakes; the official description above is the record.