Vulnerability Details CVE-2021-1784
A permissions issue existed in DiskArbitration. This was addressed with additional ownership checks. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to modify protected parts of the file system.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 58.9%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2021-1784
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cpe:2.3:o:apple:mac_os_x:10.14
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cpe:2.3:o:apple:mac_os_x:10.14.0
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cpe:2.3:o:apple:mac_os_x:10.14.1
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cpe:2.3:o:apple:mac_os_x:10.14.2
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cpe:2.3:o:apple:mac_os_x:10.14.3
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cpe:2.3:o:apple:mac_os_x:10.14.4
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cpe:2.3:o:apple:mac_os_x:10.14.5
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cpe:2.3:o:apple:mac_os_x:10.14.6
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cpe:2.3:o:apple:mac_os_x:10.15
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cpe:2.3:o:apple:mac_os_x:10.15.1
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cpe:2.3:o:apple:mac_os_x:10.15.2
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cpe:2.3:o:apple:mac_os_x:10.15.3
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cpe:2.3:o:apple:mac_os_x:10.15.4
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cpe:2.3:o:apple:mac_os_x:10.15.5
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cpe:2.3:o:apple:mac_os_x:10.15.6
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cpe:2.3:o:apple:mac_os_x:10.15.7
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cpe:2.3:o:apple:macos:11.0
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cpe:2.3:o:apple:macos:11.0.1
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cpe:2.3:o:apple:macos:11.1
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cpe:2.3:o:apple:macos:11.1.0
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cpe:2.3:o:apple:macos:11.2
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cpe:2.3:o:apple:macos:11.2.1