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CVE Record

CVE-2019-18618: Incorrect access control in the firmware of Synaptics VFS75xx family fingerprint sensors that include exter...

Incorrect access control in the firmware of Synaptics VFS75xx family fingerprint sensors that include external flash (all versions prior to 2019-11-15) allows a local administrator or physical attacker to compromise the confidentiality of sensor data via injection of an unverified partition table.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This vulnerability affects certain Synaptics VFS75xx fingerprint sensors with external flash. An attacker with local administrator privileges or physical access could undermine sensor-data confidentiality. The source bundle does not show remote exploitation, active exploitation, or a CVSS score.

Executive priority

Treat this as targeted endpoint risk, not an internet-scale emergency. Prioritize executive, privileged, shared, and high-travel devices because physical access and administrator compromise are realistic scenarios for sensitive laptops.

Technical view

CVE-2019-18618 is an incorrect access control flaw in Synaptics VFS75xx family fingerprint sensor firmware before 2019-11-15 when external flash is present. The cited description says an unverified partition table can be injected, compromising confidentiality of sensor data. Exact affected OEM models are not listed in the bundle.

Likely exposure

Exposure is limited to systems containing affected Synaptics VFS75xx fingerprint sensors with external flash and firmware before 2019-11-15. Lenovo and HP advisories are cited, but this bundle does not enumerate exact models or fleet prevalence.

Exploitation context

The source bundle states exploitation requires local administrator access or physical access. CISA KEV is false, and no cited source in the bundle confirms active exploitation or public weaponization.

Researcher notes

Evidence is sparse in the bundle: no CVSS, CWE, exact model list, or exploit telemetry is provided. Analysis should stay anchored to the Synaptics firmware condition, the local-admin or physical-access precondition, and OEM advisories.

Mitigation direction

  • Review Synaptics, Lenovo, and HP advisories for affected models and update paths.
  • Update OEM firmware or platform packages where vendor guidance identifies a fix.
  • Inventory laptops and endpoints using Synaptics VFS75xx fingerprint sensors.
  • Prioritize devices where physical access risk or shared administration is higher.
  • Restrict local administrator rights and strengthen physical device controls.

Validation and detection

  • Check hardware inventory for Synaptics VFS75xx fingerprint sensors with external flash.
  • Compare sensor firmware date or version against the pre-2019-11-15 affected range.
  • Map identified devices to Lenovo or HP advisory coverage where applicable.
  • Confirm OEM firmware or BIOS updates are installed successfully.
  • Document exceptions where vendor guidance is unavailable or model status is unclear.
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.

ATT&CK lookup starting points

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CVE-2019-18618 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
5Source 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.