CVE-2021-1829 is a critical type confusion vulnerability affecting Apple macOS Big Sur versions prior to 11.3. This flaw allows an unauthenticated attacker to execute arbitrary code with kernel privileges, potentially leading to full system compromise. With a CVSS score of 9.8, it represents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or KEV entries exist, and community discussion is minimal, the potential for severe impact necessitates prompt patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.3CPE match | cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:* | ||
>= 11.0, < 11.3CPE matchmatch criteria | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 Security Researcher mentions.