CVE-2018-4174

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CVSS 3.0

5.9 medium

EPSS

1%p72

Published

Apr 3, 2018 (Apr 3, 2018)

Modified

Jun 17, 2026

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. The issue involves the "Mail" component. It allows man-in-the-middle attackers to read S/MIME encrypted messages by leveraging an inconsistency in the user interface.

Vendors: apple
Products: iphone os, mac os x
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.5%)

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