CVE-2018-4374

Name: CVE-2018-4374
Creator: NVD / NIST
Published: 2019-04-03T18:29:11.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.17%

Last modified Jun 17, 2026

CVE-2018-4374 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.17% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

2.17%

80.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Apple	Safari	< 12.0.1
Apple	Iphone Os	< 12.1
Apple	Watchos	< 5.1
Apple	Icloud	< 7.8
Apple	Itunes	< 12.9.1

References

https://support.apple.com/kb/HT209192Vendor Advisory
https://support.apple.com/kb/HT209195Vendor Advisory
https://support.apple.com/kb/HT209196Vendor Advisory
https://support.apple.com/kb/HT209197Vendor Advisory
https://support.apple.com/kb/HT209198Vendor Advisory
https://support.apple.com/kb/HT209192Vendor Advisory
https://support.apple.com/kb/HT209195Vendor Advisory
https://support.apple.com/kb/HT209196Vendor Advisory
https://support.apple.com/kb/HT209197Vendor Advisory
https://support.apple.com/kb/HT209198Vendor Advisory

Timeline

Published: Apr 3, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4374?

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.

How severe is CVE-2018-4374?

Severity scoring for CVE-2018-4374 is pending analysis. The EPSS model estimates a 2.17% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4374?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-4374?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST