Security readout for executives and security teams
Plain-English summary
This CVE affects version 3.0.0 of the First Citizens Bank (AL) iOS mobile banking app. The app reportedly failed to verify SSL server certificates, so a nearby or network-positioned attacker could impersonate the bank service and capture sensitive information.
Executive priority
Treat this as high priority if the organization supported or distributed the affected banking app, because the impact is potential credential or sensitive banking information exposure. If there is no usage, track as historical exposure only.
Technical view
The issue is improper X.509 certificate validation in the named iOS app. The CVE states that crafted certificates can enable server spoofing and man-in-the-middle interception. The source bundle provides no CVSS score, CWE, confirmed fix, or evidence of active exploitation.
Likely exposure
Exposure appears limited to users or managed devices that still have First Citizens Bank-Mobile Banking for iOS version 3.0.0 installed or available. Evidence does not identify other versions or platforms.
Exploitation context
The CVE describes a man-in-the-middle scenario using a crafted certificate to spoof SSL servers and obtain sensitive information. CISA KEV is false, and the supplied sources do not document active exploitation.
Researcher notes
The public record is sparse: one advisory reference, no CVSS, no CWE, no patch details, and no KEV listing. Analysis should stay scoped to the named iOS app version and certificate-validation failure.
Mitigation direction
- Identify whether version 3.0.0 is present on managed iOS devices.
- Remove or block the affected app version through MDM controls.
- Check First Citizens Bank or app-store guidance for a fixed replacement.
- Advise users to avoid the affected app until vendor guidance is confirmed.
Validation and detection
- Inventory iOS devices for the named app and version 3.0.0.
- Confirm whether any current vendor-supported version supersedes 3.0.0.
- Review MDM, helpdesk, and mobile logs for continued affected-app usage.
- Document whether compensating controls can remove the app from enterprise devices.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-9577 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
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.