CVE-2021-30738

Severity

55%

Complexity

18%

Confidentiality

60%

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.

CVSS 3.1 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).

CVSS 2.0 Base Score 2.1. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:N).

Overview

First reported 3 years ago

2021-09-08 14:15:00

Last updated 3 years ago

2021-09-22 14:22:00

Affected Software

Apple Mac OS

Apple Mac OS X

References

https://support.apple.com/en-us/HT212531

https://support.apple.com/en-us/HT212529

https://support.apple.com/en-us/HT212531

Vendor Advisory

https://support.apple.com/en-us/HT212529

Vendor Advisory

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