CVE-2018-4111 is a medium-severity vulnerability affecting Apple macOS versions prior to 10.13.4, specifically within the Mail application. This flaw allows man-in-the-middle attackers to read S/MIME encrypted email content by sending specially crafted HTML emails that reference remote resources without a valid S/MIME signature. The attack requires high complexity but can lead to a complete compromise of confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.13.4CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.