Input validation error in Google Android - CVE-2019-20557

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Main Vulnerability Database Vulnerabilities #VU34642

Input validation error in Google Android - CVE-2019-20557

Published: March 24, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34642
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-20557
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a local non-authenticated attacker to manipulate data.

An issue was discovered on Samsung mobile devices with N(7.x), O(8.x), and P(9.0) software. Attackers can bypass Factory Reset Protection (FRP) via a SIM card by blocking the PUK code. The Samsung ID is SVE-2019-15262 (October 2019).


How to mitigate CVE-2019-20557

Install update from vendor's website.

Sources