CVE-2021-1791
MEDIUM 5.5EPSS 1.2%
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to disclose kernel memory.
- Affected
- Apple · iOS and iPadOS · macOS
- CVSS v3.1 NVD
- 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS v2.0 NVD
- 7.1 HIGH
AV:N/AC:M/Au:N/C:C/I:N/A:N - EPSS
- 1.21% chance of exploitation in the next 30 days, 68th percentile
- Published
- 2021-04-02
- Updated
- 2024-08-03
Exploit collections (1)
- CVE-2021-1791 Fairplay OOB Read POC.mdtzwlhack/Vulnerability
Security advisories
- https://support.apple.com/en-us/HT212146
- https://support.apple.com/en-us/HT212147
- https://support.apple.com/en-us/HT212148
- https://support.apple.com/en-us/HT212149