Executive Summary

Name CVE-2021-30738 First vendor Publication 2021-09-08
Vendor Cve Last vendor Modification 2021-09-22

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30738

CPE : Common Platform Enumeration

Application 2
Application 1
Os 155
Os 19

Sources (Detail)

Source Url
MISC https://support.apple.com/en-us/HT212529

Alert History

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Date Informations
2021-09-23 00:23:05
  • Multiple Updates
2021-09-22 21:23:28
  • Multiple Updates
2021-09-15 21:23:20
  • Multiple Updates
2021-09-15 00:22:52
  • Multiple Updates
2021-09-08 21:23:16
  • First insertion