# CVE-2024-4163: Privilege Escalation on Skylab IIoT Gateway (IGX)

> Attackers can escalate privileges to root via a limited shell, gaining full control of the Skylab IIoT Gateway.

- **Severity:** High 8.0 (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Apr 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-pq98-px5v-5jjc

## What is CVE-2024-4163?

CVE-2024-4163 is a high-severity vulnerability in Skylab IIoT Gateway (IGX), published on 26 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The Skylab IGX IIoT Gateway allowed users to connect to it via a limited shell terminal (IGX). However, it was discovered that the process was running under root privileges. This allowed the attacker to read, write, and modify any file in the operating system by utilizing the limited shell file exec and download functions. By replacing the /etc/passwd file with a new root user entry, the attacker was able to breakout from the limited shell and login to a unrestricted shell with root access. With the root access, the attacker will be able take full control of the IIoT Gateway.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2024-4163?


## How do I fix CVE-2024-4163?

No fix has been published for CVE-2024-4163 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-4163 being exploited?

There is no known exploitation of CVE-2024-4163 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-4163 and fix it if it is affected.

What it is: CVE-2024-4163 is a high-severity vulnerability in Skylab IIoT Gateway (IGX), published on 26 Apr 2024. 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-2024-4163 in the wild and no public exploit code.

Affected product: Skylab IIoT Gateway (IGX). 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-2024-4163/ (Markdown: https://insights.sbomify.com/CVE-2024-4163/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-4163
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-4163
- OSV: https://osv.dev/vulnerability/CVE-2024-4163

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-4163/
Summaries are generated and may contain mistakes; the official description above is the record.