CVE-2019-13604: Assaabloy Hid Digitalpersona 4500 Firmware

Medium severity, CVSS 5.9. EPSS: 1.1% chance of exploitation in the next 30 days.

There is a short key vulnerability in HID Global DigitalPersona (formerly Crossmatch) U.are.U 4500 Fingerprint Reader v24. The key for obfuscating the fingerprint image is vulnerable to brute-force attacks. This allows an attacker to recover the key and decrypt that image using the key. Successful exploitation causes a sensitive biometric information leak.

Affected products

  • Assaabloy Hid Digitalpersona 4500 Firmware: version 24 only

Published 2019-07-15. Last modified 2026-06-17.