Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-1771

Quick assessment

Affected
Apple macOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apple macOS是美国苹果（Apple）公司的一套专为Mac计算机所开发的专用操作系统。 Apple macOS 存在安全漏洞，该漏洞源于macOS中“消息”组件内的错误访问限制而导致的。从iMessage组中删除的远程用户可以重新加入该组。以下产品或版本存在漏洞：macOS 10.3、macOS 10.12.4、macOS 10.12.5、macOS 10.12.6、macOS 10.12.6.2、macOS 10.13、macOS 10.13.1、macOS 10.13.2、macOS 10.1

AI Predicted 5.3 Difficulty: Easy EPSS 0.55% · P43

Possible ATT&CK Techniques 1 AI

T1136 · Create Account
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-1771

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. A user that is removed from an iMessage group could rejoin the group.
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 macOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple macOS是美国苹果（Apple）公司的一套专为Mac计算机所开发的专用操作系统。 Apple macOS 存在安全漏洞，该漏洞源于macOS中“消息”组件内的错误访问限制而导致的。从iMessage组中删除的远程用户可以重新加入该组。以下产品或版本存在漏洞：macOS 10.3、macOS 10.12.4、macOS 10.12.5、macOS 10.12.6、macOS 10.12.6.2、macOS 10.13、macOS 10.13.1、macOS 10.13.2、macOS 10.1
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

Vendor Product Affected Versions CPE Subscribe
Apple macOS unspecified ~ 11.2 -

II. Public POCs for CVE-2021-1771

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-1771

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-1771 (1)

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: macOS
Same vendor: Apple

V. Comments for CVE-2021-1771

No comments yet

Leave a comment