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I. Basic Information for CVE-2021-30780
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root 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CVMS子系统的边界错误。本地攻击者可以使用根权限触发越界写入并执行任意代码。
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
AppleSecurity Update - Catalina unspecified ~ 2021 -
AppleiOS unspecified ~ 14.7 -
ApplemacOS unspecified ~ 11.5 -
ApplemacOS unspecified ~ 2021 -
ApplemacOS unspecified ~ 14.7 -
ApplemacOS unspecified ~ 7.6 -
II. Public POCs for CVE-2021-30780
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III. Intelligence Information for CVE-2021-30780
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IV. Related Vulnerabilities
V. Comments for CVE-2021-30780

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