CVE-2020-5523
7.4 · HIGHOverview
CVE-2020-5523 is a high-severity vulnerability affecting 77bank 77_bank. It was published on January 28, 2020 and has a CVSS 3.1 base score of 7.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Android App 'MyPallete' and some of the Android banking applications based on 'MyPallete' do not verify X.509 certificates from servers, and also do not properly validate certificates with host-mismatch, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
Remediation
Check the references section for vendor advisories and patches from 77bank. Update 77_bank to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| 77bank | 77_bank | 0 | Affected |
| ashikagabank | ashigin | 0 | Affected |
| hokkaidobank | dogin | 0 | Affected |
| hokugin | hokuriku_bank_portal | 0 | Affected |
| naganobank | nagagin | 0 | Affected |
| shikokubank | shikoku_bank | 0 | Affected |
| sihd-bk | ikeda_senshu_bank | 0 | Affected |
| tohoku-bank | tougin | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-5523?
CVE-2020-5523 is a high-severity vulnerability affecting 77bank 77_bank. It was published on January 28, 2020 and has a CVSS 3.1 base score of 7.4 (HIGH).
How severe is CVE-2020-5523?
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-5523?
Check the references section for vendor advisories and patches from 77bank. Update 77_bank to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-5523?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-5523 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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