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CVE-2020-12351

HighPublished

Improper input validation in BlueZ may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.

Published: Nov 23, 2020
Updated: Aug 4, 2024
Assigning CNA: intel
Evidence observed: Apr 8, 2021

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

7.7%

Low · next 30 days

Percentile: 94.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Improper input validation in BlueZ may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.

Sources

Linux-Heap-Based-Type-Confusion-in-L2CAPPoC
CVE-2020-12351
Linux Kernel 5.4 - 'BleedingTooth' Bluetooth Zero-Click Remote Code ExecutionExploit
Google Security Research · linux · Apr 8, 2021

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