CVE-2023-30024

low-risk
Published 2023-04-28

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.

Do I need to act?

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0.07% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.6/10 Medium
PHYSICAL / LOW complexity

Affected Products (1)

A921 Firmware

Affected Vendors

Magicjack

References (8)

Exploit https://drive.google.com/drive/folders/1cKd8hksThK610GPtBQ3du8DEkwKywlAi?usp=sha...
Third Party Advisory https://pastebin.com/raw/irWcawp8
Exploit https://samuraisecurity.co.uk/red-teaming-0x01-click-rce-via-voip-usb/
Product https://www.magicjack.com/
Exploit https://drive.google.com/drive/folders/1cKd8hksThK610GPtBQ3du8DEkwKywlAi?usp=sha...
Third Party Advisory https://pastebin.com/raw/irWcawp8
Exploit https://samuraisecurity.co.uk/red-teaming-0x01-click-rce-via-voip-usb/
Product https://www.magicjack.com/
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal