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CVE-2021-1870

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。 Apple iOS 存在安全漏洞，目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

AI Predicted 9.8 Difficulty: Hard KEV EPSS 7.71% · P94

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-1870

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. 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
苹果 Apple iOS 安全漏洞
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。 Apple iOS 存在安全漏洞，目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Apple iOS and iPadOS unspecified ~ 14.4 -
Apple macOS unspecified ~ 11.2 -

II. Public POCs for CVE-2021-1870

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-1870

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Vendor Advisories for CVE-2021-1870 (3)

Mailing List Discussions for CVE-2021-1870 (2)

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-2021-1870

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