CVEvulnerability
CVE-2021-30738
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-09-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:P/A:N
Description
A malicious application may be able to overwrite arbitrary files. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Mojave. An issue with path validation logic for hardlinks was addressed with improved path sanitization.
Affected configurations
• apple mac os x (>= 10.14.0 <= 10.14.5)
• apple mac os x 10.14.6
• apple macos (>= 11.0.1 < 11.4)
References
- https://support.apple.com/en-us/HT212529 Vendor Advisory
- https://support.apple.com/en-us/HT212531 Vendor Advisory
- https://support.apple.com/en-us/HT212529 Vendor Advisory
- https://support.apple.com/en-us/HT212531 Vendor Advisory