CVE-2014-5683: Rubycell Piano Teacher

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Piano Teacher (aka com.rubycell.pianisthd) application 20140730 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Affected products

• Rubycell Piano Teacher: version 20140730 only

Published 2014-09-09. Last modified 2026-06-17.