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Fencer Intel
medium 4.3

CVE-2018-4440 json

A logic issue was addressed with improved state management.

published 7y ago modified 4mo ago also EUVD-2018-16226

cvss
4.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

A logic issue was addressed with improved state management. This issue affected versions prior to iOS 12.1.1, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.

Patch / fix

  • apple safari 12.0.2
  • apple icloud 7.9
  • apple itunes 12.9.2
  • apple iphone_os 12.1.1

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Exploit prediction

1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • n/a iOS, Safari, iTunes for Windows, iCloud for Windows

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.