Note) It’s just an English version of previous post . Hello, I’m Shiga( @Ga_ryo_ ), a security engineer at Flatt Security Inc. In this article, I would like to give you a technical description of CVE-2020–15702 which is published recently. I discovered this vulnerability and reported it to the vendor via the Zero Day Initiative . This article is not intended to inform you of the dangers of vulnerabilities, but to share tips from a technical point of view.