Vulnerability Monitor

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CVE-2019-13604

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.9, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 2 products from assaabloy, from assaabloy organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-07-15T14:15:11.750

Last Modified

2024-11-21T04:25:20.237

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-327

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	assaabloy	hid_digitalpersona_4500_firmware	24	Yes
Hardware	assaabloy	hid_digitalpersona_4500	-	No

References

https://github.com/sungjungk/fp-img-key-crack Third Party Advisory ([email protected])
https://www.youtube.com/watch?v=7tKJQdKRm2k Exploit, Third Party Advisory ([email protected])
https://www.youtube.com/watch?v=BwYK_xZlKi4 Exploit, Third Party Advisory ([email protected])
https://github.com/sungjungk/fp-img-key-crack Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.youtube.com/watch?v=7tKJQdKRm2k Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.youtube.com/watch?v=BwYK_xZlKi4 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For assaabloy's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.