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CVE-2021-1879

Quick assessment

Affected
Apple iOS and iPadOS
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 iOS是美国苹果（Apple）公司的一套为移动设备所开发的操作系统。WebKit是其中的一个Web浏览器引擎组件。 Apple 多款产品存在安全漏洞，该漏洞源于处理恶意制作的web内容可能导致通用跨站点脚本。

AI Predicted 7.5 Difficulty: Moderate KEV EPSS 7.08% · P94
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I. Basic Information for CVE-2021-1879

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..
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 iOS WebKit 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple iOS是美国苹果（Apple）公司的一套为移动设备所开发的操作系统。WebKit是其中的一个Web浏览器引擎组件。 Apple 多款产品存在安全漏洞，该漏洞源于处理恶意制作的web内容可能导致通用跨站点脚本。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Apple iOS and iPadOS unspecified ~ 14.4 -
Apple iOS unspecified ~ 12.5 -
Apple watchOS unspecified ~ 7.3 -

II. Public POCs for CVE-2021-1879

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-1879

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Vendor Advisories for CVE-2021-1879 (3)

Same Patch Batch · Apple · 2021-04-02 · 130 CVEs total

CVE-2020-29613 Apple iOS 安全漏洞
CVE-2020-27937 Apple Directory Utility 信息泄露漏洞
CVE-2020-27939 Apple macOS Big Sur 安全漏洞
CVE-2020-27941 Apple macOS 安全漏洞
CVE-2020-27943 Apple FontParser 缓冲区错误漏洞
CVE-2020-27938 Apple Power Management 安全漏洞
CVE-2020-27945 Apple CFNetwork Cache 输入验证错误漏洞
CVE-2020-27944 Apple macOS 缓冲区错误漏洞
CVE-2020-27947 Apple macOS 缓冲区错误漏洞
CVE-2020-27946 Apple FontParser 信息泄露漏洞
CVE-2020-27951 Apple iOS 安全漏洞
CVE-2020-27952 Apple macOS 缓冲区错误漏洞
CVE-2020-27948 Apple CoreAudio 缓冲区错误漏洞
CVE-2020-29612 Apple macOS 缓冲区错误漏洞
CVE-2020-27949 Apple Kernel 安全漏洞
CVE-2020-29610 Apple macOS 缓冲区错误漏洞
CVE-2020-29608 Apple FontParser 缓冲区错误漏洞
CVE-2020-29623 苹果 Apple macOS 安全漏洞
CVE-2020-29639 Apple iOS和Apple iPadOS 缓冲区错误漏洞
CVE-2020-29625 Apple macOS Big Sur 安全漏洞

Showing top 20 of 130 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: iOS and iPadOS
Same vendor: Apple

V. Comments for CVE-2021-1879

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