CVE-2021-30909
Quick assessment
Affected
Apple iOS and iPadOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。 Apple 多款产品存在缓冲区错误漏洞，恶意应用程序可以使用内核特权执行任意代码。该漏洞在以下产品和版本中被修复：iOS 15.1和iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1和iPadOS 14.8.1, tvOS 15.1, watchOS 8.1，安全更新2012.1 -007 Catalina, macOS大Sur 11.6.1。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-30909
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apple tvOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。 Apple 多款产品存在缓冲区错误漏洞，恶意应用程序可以使用内核特权执行任意代码。该漏洞在以下产品和版本中被修复：iOS 15.1和iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1和iPadOS 14.8.1, tvOS 15.1, watchOS 8.1，安全更新2012.1 -007 Catalina, macOS大Sur 11.6.1。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-30909
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2021-30909 (7)
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https://support.apple.com/en-us/HT212872 x_refsource_MISC
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https://support.apple.com/en-us/HT212869 x_refsource_MISC
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https://support.apple.com/en-us/HT212868 x_refsource_MISC
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https://support.apple.com/en-us/HT212871 x_refsource_MISC
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https://support.apple.com/en-us/HT212867 x_refsource_MISC
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https://support.apple.com/en-us/HT212876 x_refsource_MISC
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Same Patch Batch · Apple · 2021-08-24 · 152 CVEs total
| CVE-2021-30951 | Apple iOS 和 iPadOS 资源管理错误漏洞 | |
| CVE-2021-30969 | Apple macOS Big Sur 输入验证错误漏洞 | |
| CVE-2021-30968 | Apple iOS和Apple iPadOS 后置链接漏洞 | |
| CVE-2021-30967 | Apple iOS 和 iPadOS 权限许可和访问控制问题漏洞 | |
| CVE-2021-30966 | Apple iOS 和 iPadOS 信息泄露漏洞 | |
| CVE-2021-30965 | Apple macOS Big Sur 安全漏洞 | |
| CVE-2021-30964 | Apple iOS 和 iPadOS 安全漏洞 | |
| CVE-2021-30963 | Apple macOS Big Sur 缓冲区错误漏洞 | |
| CVE-2021-30962 | Apple tvOS和Apple macOS Big Sur 安全漏洞 | |
| CVE-2021-30961 | Apple macOS Big Sur 缓冲区错误漏洞 | |
| CVE-2021-30960 | Apple iOS 和 iPadOS 缓冲区错误漏洞 | |
| CVE-2021-30959 | Apple macOS Big Sur 缓冲区错误漏洞 | |
| CVE-2021-30958 | Apple iOS 和 iPadOS 缓冲区错误漏洞 | |
| CVE-2021-30957 | Apple iOS 和 iPadOS 缓冲区错误漏洞 | |
| CVE-2021-30956 | Apple iOS和Apple iPadOS 安全漏洞 | |
| CVE-2021-30955 | Apple iOS 和 iPadOS 竞争条件问题漏洞 | |
| CVE-2021-30954 | Apple tvOS 安全漏洞 | |
| CVE-2021-30953 | Apple iOS 和 iPadOS 缓冲区错误漏洞 | |
| CVE-2021-30952 | Apple iOS 和 iPadOS 输入验证错误漏洞 | |
| CVE-2021-30940 | Apple macOS 缓冲区错误漏洞 |
Showing top 20 of 152 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-30909
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