CVE-2021-20835 Vulnerability Details

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CVE-2021-20835 Metadata Quick Info

CVE Published: 24/11/2021 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: jpcert | Vendor: Mercari, Inc. | Product: Android App \'Mercari (Merpay) - Marketplace and Mobile Payments App\' (Japan version)
Status : PUBLISHED

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CVE-2021-20835 Description

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.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID:
CWE Name: Improper Authorization in Handler for Custom URL Scheme
Source: Mercari, Inc.

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).