CVE-2017-14710
The Shein Group Ltd. "SHEIN – Fashion Shopping" app — aka shein fashion-shopping/id878577184 — for iOS 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.
Date published : 2018-07-12
https://www.crissyfield.de/blog/2017/12/14/missing-certificate-validation/