# CVE-2024-42423: Missing authorization in Wyse Proprietary OS (Modern ThinOS)

> Local low-privilege users can bypass authorization controls in Citrix WebLogin to disclose and tamper with data on Dell ThinOS.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N`)
- **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:** 10 Sep 2024
- **Updated:** 10 Sep 2024
- **Also known as:** GHSA-8g2h-4x5w-4v4p

## What is CVE-2024-42423?

CVE-2024-42423 is a medium-severity missing authorization vulnerability in Dell Wyse Proprietary OS (Modern ThinOS), published on 10 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Citrix Workspace App version 23.9.0.24.4 on Dell ThinOS 2311 contains an Incorrect Authorization vulnerability when Citrix CEB is enabled for WebLogin. A local unauthenticated user with low privileges may potentially exploit this vulnerability to bypass existing controls and perform unauthorized actions leading to information disclosure and tampering.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2024-42423?

It affects 1 product.


Products: Citrix Workspace.

## How do I fix CVE-2024-42423?

No fix has been published for CVE-2024-42423 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-42423 being exploited?

There is no known exploitation of CVE-2024-42423 in the wild and no public exploit code.

## Other vulnerabilities in Dell Wyse Proprietary OS (Modern ThinOS)

- [CVE-2020-8207](https://insights.sbomify.com/CVE-2020-8207/): Privilege escalation in Citrix Workspace App for Windows (high 8.8)
- [CVE-2024-6286](https://insights.sbomify.com/CVE-2024-6286/): Local Privilege escalation allows a low-privileged user to gain SYSTEM privileges (high 8.5)
- [CVE-2023-24485](https://insights.sbomify.com/CVE-2023-24485/): Privilege Escalation on the system running a vulnerable version of Citrix Workspace app for Windows (high 7.8)
- [CVE-2022-21825](https://insights.sbomify.com/CVE-2022-21825/): Privilege escalation in Citrix Workspace App for Linux (high 7.8)
- [CVE-2021-22907](https://insights.sbomify.com/CVE-2021-22907/): Privilege escalation in Citrix Workspace App for Windows (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-42423 and fix it if it is affected.

What it is: CVE-2024-42423 is a medium-severity missing authorization vulnerability in Dell Wyse Proprietary OS (Modern ThinOS), published on 10 Sep 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-2024-42423 in the wild and no public exploit code.

Affected product: Dell Wyse Proprietary OS (Modern ThinOS). 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-2024-42423/ (Markdown: https://insights.sbomify.com/CVE-2024-42423/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-42423
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-42423
- OSV: https://osv.dev/vulnerability/CVE-2024-42423

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-42423/
Summaries are generated and may contain mistakes; the official description above is the record.