CVE-2021-1821

A logic issue was addressed with improved state management. This issue is fixed in watchOS 7.6, macOS Big Sur 11.5. Visiting a maliciously crafted webpage may lead to a system denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
appleCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 44%
VendorProductVersion
applemacos
𝑥
< 11.5
applewatchos
𝑥
< 7.6
𝑥
= Vulnerable software versions
References
https://support.apple.com/en-us/HT212602
https://support.apple.com/en-us/HT212605
https://support.apple.com/en-us/HT212602
https://support.apple.com/en-us/HT212605