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I. Basic Information for CVE-2021-30748
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An application may be able to execute arbitrary code with kernel privileges.
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 macOS Big Sur 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple macOS Big Sur是美国苹果（Apple）公司的一个手机应用APP。 Apple macOS Big Sur 11.5存在缓冲区错误漏洞，该漏洞源于AVEVideoEncoder子系统中的边界错误。本地攻击者可以运行一个专门设计的程序来触发内存损坏，并执行任意代码。
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
VendorProductAffected VersionsCPESubscribe
AppleiOS unspecified ~ 14.7 -
ApplemacOS unspecified ~ 11.5 -
II. Public POCs for CVE-2021-30748
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III. Intelligence Information for CVE-2021-30748
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IV. Related Vulnerabilities
Same product: iOS
Same vendor: Apple
V. Comments for CVE-2021-30748

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