CVE-2018-4227 is a high-severity vulnerability affecting Apple iOS before 11.4 and macOS before 10.13.5, specifically within the Mail component. This flaw allows remote attackers to read the cleartext content of S/MIME encrypted messages through direct exfiltration. With a CVSS score of 7.5, it is easily exploitable over the network with low attack complexity, leading to a high impact on confidentiality. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.4CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 10.13.5CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.