Vulnerability · Published Jul 9, 2020 · Assigned by jpcert

CVE-2020-5604

High 8.1

In plain English

A high-severity security flaw in Android App 'Mercari' (Japan version) from Mercari, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).

Severity (CVSS NVD)8.1High
Exploit odds (30 days)2.0%top 19.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
Mercari, Inc. Android App 'Mercari' (Japan version) prior to version 3.52.0

References