CVE-2017-9586
The "FSBY Mobile Banking" by First State Bank of Yoakum TX app 3.0.0 -- aka fsby-mobile-banking...
The "FSBY Mobile Banking" by First State Bank of Yoakum TX app 3.0.0 -- aka fsby-mobile-banking/id899136434 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
What each source reports
NVD Score used
5.9
The "FSBY Mobile Banking" by First State Bank of Yoakum TX app 3.0.0 -- aka fsby-mobile-banking/id899136434 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.
- Record
CVE-2017-9586- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
The "FSBY Mobile Banking" by First State Bank of Yoakum TX app 3.0.0 -- aka fsby-mobile-banking/id899136434 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.
- Record
CVE-2017-9586- Updated
- 2026-11-02
EUVDEUVD-2017-18517 No score
The "FSBY Mobile Banking" by First State Bank of Yoakum TX app 3.0.0 -- aka fsby-mobile-banking/id899136434 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.
- Record
EUVD-2017-18517- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mxq6-jpmx-fg69
5.9
The "FSBY Mobile Banking" by First State Bank of Yoakum TX app 3.0.0 -- aka fsby-mobile-banking...
The "FSBY Mobile Banking" by First State Bank of Yoakum TX app 3.0.0 -- aka fsby-mobile-banking/id899136434 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.
- Record
GHSA-mxq6-jpmx-fg69- CVSS 3.0
- 5.9 Medium
CVSS: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
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-9586 is a medium vulnerability (CVSS 5.9) in Meafinancial Fsby Mobile Banking, published June 16, 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.
References
medium.com/%40chronic_9612/advisory-44-credit-union-apps-for-ios-may-allow-login-credential-exposure-4d2f380b85c5
nvd.nist.gov/vuln/detail/CVE-2017-9586
medium.com/@chronic_9612/advisory-44-credit-union-apps-for-ios-may-allow-login-credential-exposure-4d2f380b85c5
github.com/advisories/GHSA-mxq6-jpmx-fg69