What is CVE-2018-4391?

CVE-2018-4391 is a medium-severity vulnerability in Apple Iphone Os. CVSS score: 5.5/10. Published 2020-10-27.

How severe is CVE-2018-4391?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Apple Iphone Os

CVE-2018-4391

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan, watchOS 4.3, iOS 12.1. Processing a maliciously crafted text message may lead to UI spoofing.

EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Apple Iphone_os
Apple Macos — versions unspecified
Apple Mac_os_x
Apple Watchos

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)
product-security@apple.com (x_refsource_MISC, Vendor Advisory)
product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-4391?: CVE-2018-4391 is a medium-severity vulnerability in Apple Iphone Os. CVSS score: 5.5/10. Published 2020-10-27.
How severe is CVE-2018-4391?: Medium severity. CVSS v3 base score is 5.5 out of 10.