CVE-2021-20835
Last modified
CVE-2021-20835 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mercari | Mercari | < 4.49.1 |
References
- https://jvn.jp/en/jp/JVN49465877/index.htmlThird Party Advisory
- https://jvn.jp/en/jp/JVN49465877/index.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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