CVE-2021-30737observed exploitation

CVE-2021-30737: vulnerability in Apple macOS

Published 08 Sep 2021 · Updated 03 Aug 2024

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25Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Attendepss 1.5%

from disclosure to weapon

Published on NVDSep 8

VulnCheckJun 14

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 iPadOS Apple · macOS

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In the same product, most dangerous first.

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References

https://support.apple.com/en-us/HT212528 https://support.apple.com/en-us/HT212529 https://support.apple.com/en-us/HT212530 https://support.apple.com/en-us/HT212531 https://support.apple.com/en-us/HT212532 https://support.apple.com/en-us/HT212533 https://support.apple.com/en-us/HT212548