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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-41116— Command injection in composer on Windows

Quick assessment

Affected
composer composer
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.

composer是 开源的一个应用软件。提供一个声明，管理和安装PHP项目的依赖项。 Composer 存在命令注入漏洞，该漏洞源于Composer 会安装不受信任的依赖项。

CVSS 8.2 · High EPSS 2.90% · P86

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-41116

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Command injection in composer on Windows
Source: CVE Program / CVE List V5
Vulnerability Description
Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer to install untrusted dependencies are subject to command injection and should upgrade their composer version. Other OSs and WSL are not affected. The issue has been resolved in composer versions 1.10.23 and 2.1.9. There are no workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
composer 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
composer是 开源的一个应用软件。提供一个声明，管理和安装PHP项目的依赖项。 Composer 存在命令注入漏洞，该漏洞源于Composer 会安装不受信任的依赖项。
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
composer composer < 1.10.23 -

II. Public POCs for CVE-2021-41116

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-41116

请登录查看更多情报信息。

Patches & Fixes for CVE-2021-41116 (1)

Vendor Advisories for CVE-2021-41116 (1)

Security Blog Posts for CVE-2021-41116 (1)

IV. Related Vulnerabilities

Same product: composer
Same vendor: composer
Same weakness: CWE-77

V. Comments for CVE-2021-41116

No comments yet

Leave a comment