CVE-2017-5909: Electronic Funds Source Llc Efs Mobile Driver Source

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

The Electronic Funds Source (EFS) Mobile Driver Source app 2.5 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.

Affected products

• Electronic Funds Source Llc Efs Mobile Driver Source: version 2.5 only

Published 2017-05-05. Last modified 2026-06-17.