CVE-2023-30024

Name: CVE-2023-30024
Creator: NVD / NIST
Published: 2023-04-28T13:15:13.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.6/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2023-30024 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. 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. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.6/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.47%

37.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Magicjack	A921 Firmware	1.4

References

https://drive.google.com/drive/folders/1cKd8hksThK610GPtBQ3du8DEkwKywlAi?usp=sharingExploit
https://pastebin.com/raw/irWcawp8Third Party Advisory
https://samuraisecurity.co.uk/red-teaming-0x01-click-rce-via-voip-usb/Exploit, Technical Description, Third Party Advisory
https://www.magicjack.com/Product
https://drive.google.com/drive/folders/1cKd8hksThK610GPtBQ3du8DEkwKywlAi?usp=sharingExploit
https://pastebin.com/raw/irWcawp8Third Party Advisory
https://samuraisecurity.co.uk/red-teaming-0x01-click-rce-via-voip-usb/Exploit, Technical Description, Third Party Advisory
https://www.magicjack.com/Product

Timeline

Published: Apr 28, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30024?

How severe is CVE-2023-30024?

CVE-2023-30024 has a CVSS score of 6.6/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30024?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30024?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST