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CVE Record

CVE-2018-4374: A logic issue was addressed with improved validation.

A logic issue was addressed with improved validation. This issue affected versions prior to iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-4374 is an Apple vulnerability described only as a logic issue fixed through improved validation. The public record does not explain the business impact or attack path. Exposure should be treated as legacy Apple software risk where devices or Windows systems still run versions older than Apple’s listed fixes.

Executive priority

Prioritize remediation if the organization still supports legacy Apple devices or Windows systems with iTunes or iCloud. For fully updated fleets, urgency is lower but should be documented because impact details are incomplete.

Technical view

The CVE record lists affected versions before iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, and iCloud for Windows 7.8. No CVSS score, CWE, vulnerable component, attack vector, or impact detail is provided in the supplied sources.

Likely exposure

Exposure is limited to environments retaining older Apple mobile, browser, wearable, or Windows client software below the fixed versions. Modern managed fleets with enforced Apple updates are less likely exposed, but legacy Windows endpoints with iTunes or iCloud should be checked.

Exploitation context

The supplied bundle does not support claims of active exploitation, and KEV is marked false. The sources do not provide exploitability details, public exploit status, or observed attacker behavior.

Researcher notes

The record is sparse. It identifies a logic validation flaw and fixed versions, but not the affected component, root cause, impact, prerequisites, or exploit status. Avoid inferring severity beyond the vendor’s update guidance.

Mitigation direction

  • Update iOS devices to 12.1 or later where supported.
  • Update watchOS devices to 5.1 or later where supported.
  • Update Safari to 12.0.1 or later.
  • Update iTunes for Windows to 12.9.1 or later.
  • Update iCloud for Windows to 7.8 or later.
  • Check Apple advisories for any platform-specific guidance.

Validation and detection

  • Inventory affected Apple and Windows software versions across managed assets.
  • Confirm no systems run versions older than Apple’s listed fixed releases.
  • Review mobile device management compliance reports for iOS and watchOS versions.
  • Check Windows software inventory for legacy iTunes and iCloud installations.
  • Track vulnerability scanner findings against CVE-2018-4374 until closed.
Prepared
Confidence
medium
Sources
7

Public sources used

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-2018-4374 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
6Source links

CVSS and timeline data

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aiOS, watchOS, Safari, iTunes for Windows, iCloud for WindowsVersions prior to: iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8Listed
Weakness

CWE details

No CWE listed

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