Vulnerability Details CVE-2021-1861
An issue existed in determining cache occupancy. The issue was addressed through improved logic. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to track users by setting state in a cache.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 48.3%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.3
Products affected by CVE-2021-1861
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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