Vulnerability Details CVE-2021-20835
Improper authorization in handler for custom URL scheme vulnerability in Android App 'Mercari (Merpay) - Marketplace and Mobile Payments App' (Japan version) versions prior to 4.49.1 allows a remote attacker to lead a user to access an arbitrary website and the website launches an arbitrary Activity of the app via the vulnerable App, which may result in Mercari account's access token being obtained.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.9%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0