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.
References
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/https://security.gentoo.org/glsa/202104-03https://support.apple.com/en-us/HT212146https://support.apple.com/en-us/HT212147https://support.apple.com/en-us/HT212148https://support.apple.com/en-us/HT212149