The "KC Area Credit Union Mobile Banking" by K C Area Credit Union app 3.0.1 -- aka kc-area-credit-union-mobile-banking/id1097607736 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.
Conclusion & alert: CVE-2017-9574 is rated Low Risk (37.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.49%).Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2017-9574
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).