CVE-2020-5523

Android App 'MyPallete' and some of the Android banking applications based on 'MyPallete' do not...

7.4 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

1.18%Down 1.1 points since Apr 14, 2021

What each source reports

NVD Score used 7.4

Record: CVE-2020-5523
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0: 5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness: CWE-295
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-5523
Updated: 2026-11-02

EUVDEUVD-2020-26686 No score

Record: EUVD-2020-26686
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qrwh-wc9j-x9cj No score

Android App 'MyPallete' and some of the Android banking applications based on 'MyPallete' do not...

Record: GHSA-qrwh-wc9j-x9cj
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-5523 is a high vulnerability (CVSS 7.4) in Nttdata Mypallete, published January 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.18%, the 67th percentile. No source names a fixed version.

References

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