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I. Basic Information for CVE-2021-30807
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 memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
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 iPadOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple iPadOS是美国苹果（Apple）公司的一套用于iPad平板电脑的操作系统。 Apple iPadOS存在缓冲区错误漏洞，该漏洞可能允许应用程序以内核权限执行任意代码。受影响的产品及版本如下:Apple iPadOS11.5.1 、iOS 14.7.1 、iPadOS 14.7.1。
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
VendorProductAffected VersionsCPESubscribe
ApplemacOS unspecified ~ 11.5 -
ApplemacOS unspecified ~ 14.7 -
ApplemacOS unspecified ~ 7.6 -
II. Public POCs for CVE-2021-30807
#POC DescriptionSource LinkShenlong Link
1Exploit for CVE-2021-30807https://github.com/jsherman212/iomfb-exploitPOC Details
2Gex is an iOS 14.7 jailbreak using CVE-2021-30807 IOMFB & CVE-2021-30860 exploit(s)https://github.com/30440r/gexPOC Details
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III. Intelligence Information for CVE-2021-30807
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IV. Related Vulnerabilities
Same product: macOS
Same vendor: Apple
V. Comments for CVE-2021-30807

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