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Vulnerable Software

Vulnerability Details CVE-2021-1855

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to force unnecessary network connections to fetch its favicon.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 45.7%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 6.4
Products affected by CVE-2021-1855
  • Apple » Macos » Version: 11.0
    cpe:2.3:o:apple:macos:11.0
  • Apple » Macos » Version: 11.0.1
    cpe:2.3:o:apple:macos:11.0.1
  • Apple » Macos » Version: 11.1
    cpe:2.3:o:apple:macos:11.1
  • Apple » Macos » Version: 11.1.0
    cpe:2.3:o:apple:macos:11.1.0
  • Apple » Macos » Version: 11.2
    cpe:2.3:o:apple:macos:11.2
  • Apple » Macos » Version: 11.2.1
    cpe:2.3:o:apple:macos:11.2.1


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