CVE-2021-30795 is a use-after-free vulnerability affecting Apple's iOS, macOS, Safari, watchOS, and tvOS. This flaw, rated 8.8 HIGH on the CVSS scale, allows for arbitrary code execution when processing maliciously crafted web content, requiring user interaction but with low attack complexity. While there is no public exploit code or active exploitation reported, the vulnerability has garnered some community discussion and media coverage, indicating a level of awareness. Apple addressed this issue with improved memory management in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, and tvOS 14.7.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 14.1.2CPE matchmatch criteria | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | ||
< 14.7CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
>= 11.0, < 11.5CPE matchmatch criteria | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | ||
< 14.7CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | ||
< 7.6CPE matchmatch criteria | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.