CVEvulnerability
CVE-2021-30780
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-09-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root privileges.
Affected configurations
• apple iphone os (< 14.7)
• apple mac os x (>= 10.14 <= 10.14.5)
• apple mac os x (>= 10.15 <= 10.15.6)
• apple mac os x 10.14.6
• apple mac os x 10.15.7
• apple macos (>= 11.0 < 11.5)
• apple tvos (< 14.7)
• apple watchos (< 7.6)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://support.apple.com/en-us/HT212600 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212601 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212602 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212603 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212604 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212605 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212600 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212601 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212602 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212603 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212604 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212605 Release Notes, Vendor Advisory