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CVE-2021-1801observed exploitation

CVE-2021-1801

25Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Attendepss 1.5%
from disclosure to weapon
Published on NVDApr 2
VulnCheck+908d
exploitation probability
1.5%top 26% of all CVEs
observed exploitation
yesVulnCheck
This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Maliciously crafted web content may violate iframe sandboxing policy.