CVE-2019-12813
CVE-2019-12813 is a medium-severity vulnerability in Crossmatch Digital Persona U.are.u 4500 Firmware with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-319
- Affected product: Crossmatch Digital Persona U.are.u 4500 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2019-12813?
- 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.
- How severe is CVE-2019-12813?
- CVE-2019-12813 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2019-12813 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-12813?
- CVE-2019-12813 affects Crossmatch Digital Persona U.are.u 4500 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-12813?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-12813 published?
- CVE-2019-12813 was published on 2019-06-13 and last updated on 2026-06-17.
References
- https://github.com/sungjungk/fp-scanner-hacking
- https://www.youtube.com/watch?v=Grirez2xeas
- https://www.youtube.com/watch?v=wEXJDyEOatM
Affected products (1)
- cpe:2.3:o:crossmatch:digital_persona_u.are.u_4500_firmware:24:*:*:*:*:*:*:*
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