Security readout for executives and security teams
Plain-English summary
Older versions of the Fountain Trust Mobile Banking iOS app failed to verify SSL server certificates. A person who could intercept a user’s network traffic could impersonate the banking service and capture sensitive information. The record identifies affected versions as before 3.2.0, but provides no CVSS score or confirmed exploitation.
Executive priority
Prioritize remediation if the organization has customers, employees, or managed devices using this legacy banking app. The business concern is credential or sensitive financial data exposure over intercepted networks, but the public record lacks confirmed exploitation or severity scoring.
Technical view
CVE-2017-9599 describes missing X.509 certificate validation in the Fountain Trust Mobile Banking iOS app before 3.2.0. The weakness allows man-in-the-middle server spoofing with a crafted certificate, potentially exposing login credentials or other sensitive data transmitted by the app.
Likely exposure
Exposure appears limited to users of the Fountain Trust Mobile Banking iOS app before version 3.2.0. The source bundle does not identify Android, backend systems, CPEs, or other Fountain Trust products as affected.
Exploitation context
The CVE is not listed as KEV in the supplied bundle, and no cited source confirms active exploitation. Practical abuse would require a network interception position and a crafted certificate to impersonate SSL servers.
Researcher notes
The evidence is narrow: the CVE names the iOS app and a version boundary, but includes no CVSS, CWE, CPE, or enriched vendor/product metadata. Treat version before 3.2.0 as the only source-grounded affected scope.
Mitigation direction
- Confirm whether the app is still supported or present in the user population.
- Update affected iOS installations to version 3.2.0 or later where available.
- Check Fountain Trust or App Store guidance for current supported versions.
- Advise users not to use obsolete banking apps for sensitive transactions.
Validation and detection
- Inventory managed iOS devices for Fountain Trust Mobile Banking versions before 3.2.0.
- Confirm App Store or vendor records for the current app version and support status.
- Review mobile device management telemetry for legacy app installations.
- For internal testing, verify certificate validation behavior only in an authorized lab.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2017-9599 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://medium.com/%40chronic_9612/advisory-44-credit-union-apps-for-ios-may-allow-login-credential-exposure-4d2f380b85c5CVE reference · x_refsource_MISC
- https://itunes.apple.com/us/app/fountain-trust-mobile-banking/id891343006CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.