CVE-2020-5604 describes a critical vulnerability in the Android App 'Mercari' (Japan version) prior to 3.52.0, allowing remote attackers to execute arbitrary Java object methods via a Man-In-The-Middle (MITM) attack leveraging Java Reflection API within WebView's JavaScript. Rated 8.1 HIGH, this vulnerability requires high attack complexity but grants full confidentiality, integrity, and availability impact without user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low immediate threat despite its high severity.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.52.0CPE matchmatch criteria | cpe:2.3:a:mercari:mercari:*:*:*:*:*:android:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.