CVE-2021-30735
HIGH 7.8EPSS 1.4%
A malicious application may be able to execute arbitrary code with kernel privileges. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An out-of-bounds write issue was addressed with improved bounds checking.
- Affected
- Apple · macOS
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 9.3 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C - EPSS
- 1.37% chance of exploitation in the next 30 days, 72nd percentile
- Published
- 2021-09-08
- Updated
- 2024-08-03
Proof-of-concept exploits (1)
- ret2/Pwn2Own-2021-Safari143★ · 2022-08-17
Security advisories
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/en-us/HT212530
- https://support.apple.com/en-us/HT212531