CVE-2020-5604 Code injection in Android App 'Mercari' (Japan version)
Remote attackers can execute arbitrary Java methods via JavaScript in WebView using reflection, enabling code execution in the Mercari Android app.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5604?
CVE-2020-5604 is a high-severity code injection vulnerability in Mercari, Inc. Android App 'Mercari' (Japan version), published on 9 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Android App 'Mercari' (Japan version) prior to version 3.52.0 allows arbitrary method execution of a Java object by a remote attacker via a Man-In-The-Middle attack by using Java Reflection API of JavaScript code on WebView.
Which versions are affected by CVE-2020-5604?
It affects 1 product.
Products include Mercari Mercari.
How do I fix CVE-2020-5604?
No fix has been published for CVE-2020-5604 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-5604 being exploited?
There is no known exploitation of CVE-2020-5604 in the wild and no public exploit code.
Other vulnerabilities in Mercari, Inc. Android App 'Mercari' (Japan version)
Sources
Also known as GHSA-x466-xhx8-frqr.