What is CVE-2018-4436?

CVE-2018-4436 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2019-04-03.

How severe is CVE-2018-4436?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apple Iphone OS

CVE-2018-4436

A certificate validation issue existed in configuration profiles. This was addressed with additional checks. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2.

Vulnerability class: Improper Certificate Validation

EPSS: 0.009 (56.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Apple Iphone_os
Apple Tvos
Apple Watchos
N/a Ios, Tvos, Watchos — versions Versions prior to: iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

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-2018-4436?: CVE-2018-4436 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2019-04-03.
How severe is CVE-2018-4436?: High severity. CVSS v3 base score is 7.5 out of 10.