# CVE-2017-5143: Path traversal in Honeywell XL Web II Controller

> Unauthenticated attackers can perform directory traversal to access arbitrary files on Honeywell XL Web II controllers.

- **Severity:** High 8.6 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Feb 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-63gp-xmc5-8vfv

## What is CVE-2017-5143?

CVE-2017-5143 is a high-severity path traversal vulnerability in Honeywell XL Web II Controller, published on 13 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-1-02-08 and prior. A user without authenticating can make a directory traversal attack by accessing a specific URL.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2017-5143?

It affects 1 product.


Products: Honeywell Xl Web Ii Controller.

## How do I fix CVE-2017-5143?

No fix has been published for CVE-2017-5143 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-5143 being exploited?

There is no known exploitation of CVE-2017-5143 in the wild and no public exploit code.

## Other vulnerabilities in Honeywell XL Web II Controller

- [CVE-2017-5139](https://insights.sbomify.com/CVE-2017-5139/): Information disclosure in Honeywell XL Web II Controller (critical 9.8)
- [CVE-2017-5140](https://insights.sbomify.com/CVE-2017-5140/): Hardcoded credentials in Honeywell XL Web II Controller (critical 9.8)
- [CVE-2017-5142](https://insights.sbomify.com/CVE-2017-5142/): Privilege escalation in Honeywell XL Web II Controller (critical 9.1)
- [CVE-2017-5141](https://insights.sbomify.com/CVE-2017-5141/): Auth bypass in Honeywell XL Web II Controller (medium 6.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-5143 and fix it if it is affected.

What it is: CVE-2017-5143 is a high-severity path traversal vulnerability in Honeywell XL Web II Controller, published on 13 Feb 2017. 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-2017-5143 in the wild and no public exploit code.

Affected product: Honeywell XL Web II Controller. 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-2017-5143/ (Markdown: https://insights.sbomify.com/CVE-2017-5143/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-5143
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-5143
- OSV: https://osv.dev/vulnerability/CVE-2017-5143

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-5143/
Summaries are generated and may contain mistakes; the official description above is the record.