CVEブラウザに戻る

CVE-2021-30807

Known Exploited (CISA KEV)HIGH

7.8

CVSS Severity Score

EPSS Score78.4650%

EPSS Percentile92.65th

Published2021年10月19日

Last Modified2025年10月23日

Vulnerability Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

Affected Platforms (CPE)

💻

Apple

Ipados

< 14.7.1

💻

Apple

Iphone Os

< 14.7.1

💻

Apple

Macos

< 11.5.1

💻

Apple

Watchos

< 7.6.1

References & Advisories

🔗 https://support.apple.com/en-us/HT212622

🔗 https://support.apple.com/en-us/HT212623

🔗 https://support.apple.com/en-us/HT212713

🔗 https://support.apple.com/en-us/HT212622

🔗 https://support.apple.com/en-us/HT212623

🔗 https://support.apple.com/en-us/HT212713

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30807

関連する脆弱性情報

CVE-2019-877910.0

A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct restrictions...

CVE-2020-39109.8

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10....

CVE-2020-39099.8

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10....

CVE-2020-39119.8

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10....