Current 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.

View Analysis Description

Analysis 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.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

Weakness Enumeration

CWE-ID CWE Name Source
CWE-863 Incorrect Authorization NIST  

Change History

1 change records found show changes

Initial Analysis 11/29/2021 10:48:30 AM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:a:mercari:mercari:*:*:*:*:*:android:*:* versions up to (excluding) 4.49.1
Added CVSS V2
NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Added CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Added CWE
NIST CWE-863
Changed Reference Type
https://jvn.jp/en/jp/JVN49465877/index.html No Types Assigned
https://jvn.jp/en/jp/JVN49465877/index.html Third Party Advisory