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CVE Record

CVE-2019-13604: There is a short key vulnerability in HID Global DigitalPersona (formerly Crossmatch) U.are.U 4500 Fingerpr...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE describes a weak obfuscation key protecting fingerprint images from HID Global DigitalPersona, formerly Crossmatch, U.are.U 4500 Fingerprint Reader v24. If exploited, an attacker could recover the key and decrypt fingerprint images, exposing sensitive biometric data that cannot be changed like a password.

Executive priority

Prioritize this if the organization uses the named fingerprint reader version for workforce, customer, or physical-access authentication. Biometric leakage has lasting business and privacy impact because fingerprints cannot be rotated. If the product is not deployed, urgency is low.

Technical view

The source states the fingerprint image obfuscation key is short enough to be brute-forced. Recovering that key allows decryption of the protected fingerprint image. The bundle does not provide CVSS, CWE, vendor fix details, or confirmed affected CPEs beyond the product/version named in the description.

Likely exposure

Exposure is likely limited to environments using HID Global DigitalPersona/Crossmatch U.are.U 4500 Fingerprint Reader v24 and storing or transmitting captured fingerprint images. The source bundle does not identify broader affected versions, operating systems, or deployment configurations.

Exploitation context

The CVE is not listed as KEV in the bundle, and no provided source claims active exploitation. Public references include a GitHub repository and videos, indicating public research or demonstration material exists. Treat this as sensitive-data exposure risk rather than confirmed in-the-wild exploitation.

Researcher notes

Evidence is sparse: the CVE description gives the core weakness and impact, but no CVSS, CWE, patch, or detailed affected-platform metadata. Avoid extrapolating to other DigitalPersona products or versions without vendor confirmation. Public references should be reviewed defensively, not used for weaponization.

Mitigation direction

  • Inventory U.are.U 4500 deployments and confirm any v24 usage.
  • Check HID Global guidance for fixes, replacements, or configuration recommendations.
  • Restrict access to systems storing captured fingerprint images.
  • Minimize retention of fingerprint images where operationally possible.
  • Review biometric data handling controls and incident response procedures.

Validation and detection

  • Confirm whether U.are.U 4500 Fingerprint Reader v24 is deployed.
  • Map where fingerprint images are stored, transmitted, or processed.
  • Verify access controls around host systems and biometric image stores.
  • Check vendor documentation for patched software or formal mitigation guidance.
  • Review logs for unusual access to biometric image data.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

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CVE-2019-13604 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.