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CVE Record

CVE-2017-9576: The "Middleton Community Bank Mobile Banking" by Middleton Community Bank app 3.0.0 -- aka middleton-commun...

The "Middleton Community Bank Mobile Banking" by Middleton Community Bank app 3.0.0 -- aka middleton-community-bank-mobile-banking/id721843238 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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE concerns a Middleton Community Bank iOS mobile banking app version 3.0.0 that reportedly failed to verify SSL server certificates. A person able to intercept a user’s network traffic could impersonate the bank’s server and capture sensitive information. The sources do not provide a CVSS score, confirmed patch, or evidence of active exploitation.

Executive priority

Treat this as urgent if the organization still has users of the affected banking app. The business risk is credential or financial-data exposure, but the age of the CVE and missing patch details mean priority should be driven by confirmed current use.

Technical view

The reported flaw is improper X.509 certificate validation in the iOS app “Middleton Community Bank Mobile Banking” 3.0.0. The CVE states that a crafted certificate could enable server spoofing and man-in-the-middle access to sensitive data. No CWE, CPE, CVSS vector, fixed version, or exploit-in-the-wild evidence is provided in the bundle.

Likely exposure

Exposure appears limited to users or managed devices running the identified iOS app version 3.0.0. The bundle does not establish impact for other versions, platforms, or banking applications beyond the referenced advisory.

Exploitation context

The CVE describes a network man-in-the-middle scenario against app traffic. CISA KEV is false in the provided data, and no cited source confirms active exploitation. Exploitation would depend on an attacker’s ability to intercept the user’s network path.

Researcher notes

Evidence is sparse: the CVE record and referenced advisory identify certificate validation failure, but the bundle lacks CVSS, CWE, CPE, fix details, and exploit telemetry. Do not generalize to unrelated apps without separate evidence.

Mitigation direction

  • Check vendor guidance for a fixed version or retired application status.
  • Remove or block the affected iOS app version from managed devices.
  • Advise users to update through official app distribution channels only.
  • Consider credential resets for users exposed on untrusted networks.
  • Monitor affected banking accounts for suspicious activity.

Validation and detection

  • Inventory managed iOS devices for the named app and version 3.0.0.
  • Review vendor or app-store records for replacement or fixed releases.
  • Confirm approved mobile testing shows proper certificate validation.
  • Check MDM controls for app blocking or minimum-version enforcement.
  • Document whether any affected users handled sensitive transactions.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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-2017-9576 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.