CVE-2021-30818
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 tvOS 存在安全漏洞，该漏洞源于处理恶意制作的网页内容可能会导致任意代码执行。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-30818
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
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 安全漏洞
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 tvOS 存在安全漏洞，该漏洞源于处理恶意制作的网页内容可能会导致任意代码执行。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apple | iOS and iPadOS | unspecified ~ 14.8 | - |
|
| Apple | iOS and iPadOS | unspecified ~ 15 | - |
|
| Apple | tvOS | unspecified ~ 15 | - |
|
| Apple | Safari | unspecified ~ 15 | - |
|
| Apple | watchOS | unspecified ~ 8 | - |
|
II. Public POCs for CVE-2021-30818
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-30818 (6)
-
https://support.apple.com/en-us/HT212816 x_refsource_MISC
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https://support.apple.com/en-us/HT212819 x_refsource_MISC
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https://support.apple.com/en-us/HT212815 x_refsource_MISC
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https://support.apple.com/kb/HT212869 x_refsource_CONFIRM
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https://support.apple.com/en-us/HT212807 x_refsource_MISC
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https://support.apple.com/en-us/HT212814 x_refsource_MISC
Mailing List Discussions for CVE-2021-30818 (1)
Same Patch Batch · Apple · 2021-10-28 · 19 CVEs total
| CVE-2021-30823 | Apple macOS 处理逻辑错误漏洞 | |
| CVE-2021-30836 | Apple iOS 缓冲区错误漏洞 | |
| CVE-2021-30834 | Apple macOS 输入验证错误漏洞 | |
| CVE-2021-30833 | Apple macOS 输入验证错误漏洞 | |
| CVE-2021-30840 | Apple tvOS 安全漏洞 | |
| CVE-2021-30821 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2021-30824 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2021-30817 | macOS 安全漏洞 | |
| CVE-2021-30831 | Apple tvOS 缓冲区错误漏洞 | |
| CVE-2020-10005 | Apple macOS Big Sur 资源管理错误漏洞 | |
| CVE-2021-30814 | Apple tvOS 缓冲区错误漏洞 | |
| CVE-2021-30816 | Apple iOS 安全漏洞 | |
| CVE-2021-30808 | Apple 多款产品安全漏洞 | |
| CVE-2021-30809 | Apple tvOS 资源管理错误漏洞 | |
| CVE-2021-1821 | Apple watchOS 安全漏洞 | |
| CVE-2021-30813 | Apple macOS 权限许可和访问控制问题漏洞 | |
| CVE-2020-29629 | Apple macOS Big Sur 缓冲区错误漏洞 | |
| CVE-2020-9897 | Apple iOS and iPadOS and macOS Big Sur 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-30818
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