CVE-2020-5523 describes a critical vulnerability in the Android app 'MyPallete' and several banking applications built upon it. These applications fail to properly verify X.509 certificates and validate hostnames, making them susceptible to Man-in-the-Middle (MitM) attacks. With a CVSS score of 7.4 (High), this flaw allows attackers to spoof legitimate servers and intercept sensitive user information, posing a significant risk to data confidentiality and integrity. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.0.1CPE matchmatch criteria | cpe:2.3:a:77bank:77_bank:*:*:*:*:*:android:*:* | ||
<= 1.0.4CPE matchmatch criteria | cpe:2.3:a:ashikagabank:ashigin:*:*:*:*:*:android:*:* | ||
<= 3.0.1CPE matchmatch criteria | cpe:2.3:a:hokkaidobank:dogin:*:*:*:*:*:android:*:* | ||
<= 2.0.1CPE matchmatch criteria | cpe:2.3:a:hokugin:hokuriku_bank_portal:*:*:*:*:*:android:*:* | ||
<= 1.0.1CPE matchmatch criteria | cpe:2.3:a:naganobank:nagagin:*:*:*:*:*: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:N
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.