CVEvulnerability
CVE-2021-30681
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-20
Description
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root privileges.
Affected configurations
• apple ipados (< 14.6)
• apple iphone os (< 14.6)
• 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 < 11.4)
• apple watchos (< 7.5)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://support.apple.com/en-us/HT212528 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212529 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212530 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212531 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212533 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212528 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212529 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212530 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212531 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212533 Release Notes, Vendor Advisory