CVE-2019-20586
NixOS vulnerability analysis and mitigation

Overview

An issue was discovered on Samsung mobile devices with O(8.1) and P(9.0) (with TEEGRIS) software. The vulnerability, identified as CVE-2019-20586 and Samsung ID SVE-2019-14864, involves type confusion in the FINGERPRINT Trustlet, which could lead to arbitrary code execution. The vulnerability was discovered in August 2019 (AttackerKB).

Technical details

The vulnerability is classified as a type confusion issue specifically affecting the FINGERPRINT Trustlet component in Samsung devices running Android 8.1 (Oreo) and Android 9.0 (Pie) with TEEGRIS. The vulnerability has been assigned a CVSS v3 Base Score of 9.8, indicating critical severity (AttackerKB).

Impact

The successful exploitation of this vulnerability could lead to arbitrary code execution on affected devices. Given the critical CVSS score and the nature of the vulnerability being in the FINGERPRINT Trustlet, this could potentially compromise the security of biometric authentication on affected devices (AttackerKB).

Mitigation and workarounds

Samsung has addressed this vulnerability through their security update process. Users of affected devices should ensure they have applied all available security updates from Samsung to mitigate this vulnerability (Samsung Mobile Security).

Additional resources


SourceThis report was generated using AI

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-69264CRITICAL9.8
  • JavaScriptJavaScript
  • pnpm
NoYesJan 07, 2026
CVE-2025-69263HIGH8.8
  • JavaScriptJavaScript
  • pnpm
NoYesJan 07, 2026
CVE-2025-69262HIGH7.8
  • JavaScriptJavaScript
  • pnpm
NoYesJan 07, 2026
CVE-2025-20807MEDIUM6.7
  • NixOSNixOS
  • android
NoNoJan 06, 2026
CVE-2026-21885MEDIUM6.5
  • NixOSNixOS
  • miniflux
NoYesJan 08, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management