CVE-2021-1821
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I. Basic Information for CVE-2021-1821
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A logic issue was addressed with improved state management. This issue is fixed in watchOS 7.6, macOS Big Sur 11.5. Visiting a maliciously crafted webpage may lead to a system denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apple watchOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple watchOS是美国苹果（Apple）公司的一套智能手表操作系统。 watchOS存在安全漏洞，该漏洞访问恶意制作的网页可能导致系统拒绝服务。
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-2021-1821
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://support.apple.com/en-us/HT212605x_refsource_MISC
- https://support.apple.com/en-us/HT212602x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-1821
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-2021-30818 | Apple tvOS 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-2021-30813 | 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-2021-1821
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