CVE-2021-30786 is a race condition vulnerability affecting Apple iOS and macOS that could lead to unexpected application termination or arbitrary code execution when opening a maliciously crafted PDF file. With a CVSS score of 7.0 (HIGH), it requires user interaction (opening a malicious PDF) and has high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered some community discussion and media coverage, including an article from Threatpost.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 14.7CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
>= 11.0, < 11.5CPE matchmatch criteria | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/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, 0.0 Bluesky, 0.1 Mastodon, and 0.0 GitHub mentions.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.