CVE-2021-1841 is an out-of-bounds write vulnerability affecting Apple macOS, specifically macOS Big Sur prior to 11.3 and Security Update 2021-002 Catalina. A malicious application could exploit this flaw to execute arbitrary code with kernel privileges. Rated with a CVSS score of 7.8 (HIGH), it requires user interaction (UI:R) and local access (AV:L), but could lead to high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.3CPE match | cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:* | ||
< 2021CPE match | cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:* | ||
10.14CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.14:*:*:*:*:*:*:* | ||
10.14.0CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.14.0:*:*:*:*:*:*:* | ||
10.14.1CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.14.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/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, 0.1 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.