CVE-2019-12813

5.9 mediumEPSS 1.1%

Medium (5.9) in crossmatch digital persona u.are.u 4500 firmware. EPSS 1.1% chance of exploitation in the next 30 days.

An issue was discovered in Digital Persona U.are.U 4500 Fingerprint Reader v24. The key and salt used for obfuscating the fingerprint image exhibit cleartext when the fingerprint scanner device transfers a fingerprint image to the driver. An attacker who sniffs an encrypted fingerprint image can easily decrypt that image using the key and salt.

Severity

CVSS 3.0

5.9 medium

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-319
Published: 2019-06-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

crossmatch:digital_persona_u.are.u_4500_firmware

References

https://github.com/sungjungk/fp-scanner-hacking
https://www.youtube.com/watch?v=Grirez2xeas
https://www.youtube.com/watch?v=wEXJDyEOatM
https://github.com/sungjungk/fp-scanner-hacking
https://www.youtube.com/watch?v=Grirez2xeas

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