CVE-2017-5909

The Electronic Funds Source (EFS) Mobile Driver Source app 2.5 for iOS does not verify X.509...

5.9 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.49%Up 0.1 points since Apr 14, 2021

What each source reports

NVD Score used 5.9

Record: CVE-2017-5909
CVSS 3.0: 5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness: CWE-295
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-5909
Updated: 2026-11-02

EUVDEUVD-2017-14984 No score

Record: EUVD-2017-14984
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2rm4-33m8-3gr6 5.9

The Electronic Funds Source (EFS) Mobile Driver Source app 2.5 for iOS does not verify X.509...

Record: GHSA-2rm4-33m8-3gr6
CVSS 3.0: 5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-295
Updated: 2026-11-02

Affected products

electronic funds source llc efs mobile driver source

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-5909 is a medium vulnerability (CVSS 5.9) in Electronic Funds Source Llc Efs Mobile Driver Source, published May 5, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 41st percentile. No source names a fixed version.