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CVE-2021-30737observed exploitation

CVE-2021-30737

25Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Attendepss 1.5%
from disclosure to weapon
Published on NVDSep 8
VulnCheckJun 14
exploitation probability
1.5%top 27% of all CVEs
observed exploitation
yesVulnCheck
A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, iOS 12.5.4, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted certificate may lead to arbitrary code execution.
Affected products
Apple · iOS and iPadOSApple · macOS
References
https://support.apple.com/en-us/HT212528https://support.apple.com/en-us/HT212529https://support.apple.com/en-us/HT212530https://support.apple.com/en-us/HT212531https://support.apple.com/en-us/HT212532https://support.apple.com/en-us/HT212533https://support.apple.com/en-us/HT212548