CVE-2021-30879 is an out-of-bounds read vulnerability affecting Apple macOS, specifically macOS Monterey, Catalina, and Big Sur. It has a CVSS score of 7.1 (High) due to its potential to cause unexpected application termination or process memory disclosure if a user processes a maliciously crafted AppleScript binary. While the vulnerability requires user interaction (UI:R) and local access (AV:L), there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion. The issue was addressed with improved bounds checking in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, and macOS Big Sur 11.6.1.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.6CPE match | cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:* | ||
< 12.0CPE match | cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:* | ||
< 2021CPE match | cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:* | ||
>= 10.15, <= 10.15.6CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
10.15.7CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.