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CVE-2021-30663

Quick assessment

Affected
Apple macOS
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apple Safari是美国苹果（Apple）公司的一款Web浏览器，是Mac OS X和iOS操作系统附带的默认浏览器。 Apple Safari 中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。以下产品及版本受到影响：Apple Safari: 14.0, 14.0.1, 14.0.2, 14.0.3, 14.0.3-14610.4.3.1.7, 14.0.3-15610.4.3.1.7, 14.1, 14.1 14611.1.21.161.7, 14.1 15611.

AI Predicted 8.8 Difficulty: Hard KEV EPSS 3.49% · P88

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-30663

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. 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 Safari 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple Safari是美国苹果（Apple）公司的一款Web浏览器，是Mac OS X和iOS操作系统附带的默认浏览器。 Apple Safari 中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。以下产品及版本受到影响：Apple Safari: 14.0, 14.0.1, 14.0.2, 14.0.3, 14.0.3-14610.4.3.1.7, 14.0.3-15610.4.3.1.7, 14.1, 14.1 14611.1.21.161.7, 14.1 15611.
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Apple macOS unspecified ~ 11.3 -
Apple macOS unspecified ~ 14.5 -
Apple macOS unspecified ~ 12.5 -
Apple macOS unspecified ~ 14.6 -
Apple macOS unspecified ~ 14.1 -

II. Public POCs for CVE-2021-30663

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III. Intelligence Information for CVE-2021-30663

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Vendor Advisories for CVE-2021-30663 (5)

Same Patch Batch · Apple · 2021-09-08 · 214 CVEs total

CVE-2021-1847 Apple macOS 缓冲区错误漏洞
CVE-2021-1834 Apple macOS 缓冲区错误漏洞
CVE-2021-1831 Apple Shortcuts 安全漏洞
CVE-2021-1835 Apple iPadOS 权限许可和访问控制问题漏洞
CVE-2021-1833 Apple iOS和Apple iPadOS 安全漏洞
CVE-2021-1843 Apple macOS 输入验证错误漏洞
CVE-2021-1840 Apple macOS 输入验证错误漏洞
CVE-2021-1838 Apple macOS 安全漏洞
CVE-2021-1837 Apple iOS 信任管理问题漏洞
CVE-2021-1839 Apple macOS 权限许可和访问控制问题漏洞
CVE-2021-1846 Apple macOS 缓冲区错误漏洞
CVE-2021-1832 Apple watchOS 安全漏洞
CVE-2021-1841 Apple macOS 缓冲区错误漏洞
CVE-2021-1851 Apple watchOS 缓冲区错误漏洞
CVE-2021-1860 Apple iPadOS 缓冲区错误漏洞
CVE-2021-1854 Apple iOS 安全漏洞
CVE-2021-1855 Apple Safari 资源管理错误漏洞
CVE-2021-1859 Apple macOS 权限许可和访问控制问题漏洞
CVE-2021-1852 Apple Kernel 缓冲区错误漏洞
CVE-2021-1862 Apple iOS和Apple iPadOS 授权问题漏洞

Showing top 20 of 214 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: macOS
Same vendor: Apple

V. Comments for CVE-2021-30663

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