CVE-2018-4218 is a critical use-after-free vulnerability in WebKit, affecting multiple Apple products including iOS, Safari, iCloud for Windows, iTunes for Windows, tvOS, and watchOS. This flaw allows remote attackers to execute arbitrary code or cause a denial of service by enticing users to visit a specially crafted website. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not currently on CISA's KEV catalog or actively exploited, public exploit code exists, and its high EPSS and FAUCET scores indicate a strong potential for future exploitation, despite limited community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.1.1CPE matchmatch criteria | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | ||
< 11.4CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 11.4CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | ||
< 4.3.1CPE matchmatch criteria | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | ||
< 7.5CPE matchmatch criteria | cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.