Is CVE-2020-0420 actively exploited?

No active exploitation of CVE-2020-0420 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-0420 be exploited remotely?

No. CVE-2020-0420 requires local access to exploit.

What is the CVSS score of CVE-2020-0420?

CVE-2020-0420 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2020-0420

CWE-667Published: October 14, 2020· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

In setUpdatableDriverPath of GpuService.cpp, there is a possible memory corruption due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-162383705

NVD Source

Technical Analysis

CVE-2020-0420 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.