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CVE-2021-43857— Gerapy may contain remote code execution vulnerability

Quick assessment

Affected
Gerapy Gerapy
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Gerapy是一款基于Scrapy、Scrapyd、Django和Vue.js的分布式爬虫管理框架。 Gerapy 0.9.8之前版本存在操作系统命令注入漏洞，该漏洞源于软件对于系统命令缺少有效的过滤和转义，导致容易受到远程代码执行的影响。

CVSS 9.8 · Critical EPSS 55.33% · P99

Public Exploits 1

ExploitDB · 1 EDB-50640 [remote]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-43857

Vulnerability Information
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Vulnerability Title
Gerapy may contain remote code execution vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Gerapy is a distributed crawler management framework. Gerapy prior to version 0.9.8 is vulnerable to remote code execution, and this issue is patched in version 0.9.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Gerapy 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gerapy是一款基于Scrapy、Scrapyd、Django和Vue.js的分布式爬虫管理框架。 Gerapy 0.9.8之前版本存在操作系统命令注入漏洞，该漏洞源于软件对于系统命令缺少有效的过滤和转义，导致容易受到远程代码执行的影响。
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
Gerapy Gerapy < 0.9.8 -

II. Public POCs for CVE-2021-43857

# POC Description Source Link Shenlong Link
1 Gerapy prior to version 0.9.8 is vulnerable to remote code execution. This issue is patched in version 0.9.8. https://github.com/LongWayHomie/CVE-2021-43857 POC Details
2 CVE-2021-43857(gerapy命令执行) https://github.com/lowkey0808/CVE-2021-43857 POC Details
3 Optimized exploit for CVE-2021-43857 affecting Gerapy < 0.9.8 https://github.com/G4sp4rCS/CVE-2021-43857-POC POC Details
4 Proof of Concept exploit for CVE‑2021‑43857: Authenticated Remote Code Execution in Gerapy (<0.9.8). Updated and automated version of the original Exploit‑DB PoC for educational and authorized testing purposes only. https://github.com/ProwlSec/gerapy-cve-2021-43857 POC Details
5 None https://github.com/afifudinmtop/CVE-2021-43857-Gerapy-v0.9.7 POC Details
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III. Intelligence Information for CVE-2021-43857

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Patches & Fixes for CVE-2021-43857 (1)

Vendor Advisories for CVE-2021-43857 (1)

Exploits & Public PoCs for CVE-2021-43857 (1)

Other References for CVE-2021-43857 (1)

IV. Related Vulnerabilities

Same product: Gerapy
Same vendor: Gerapy
Same weakness: CWE-78

V. Comments for CVE-2021-43857

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