CVE-2021-31207
MEDIUM KEV RANSOMWAREMicrosoft Exchange Server - Security Feature Bypass via Unrestricted File Upload
Title source: llmExploitation Summary
CVE-2021-31207 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021, with confirmed use in ransomware campaigns.
EIP tracks 7 public exploits from researchers including Orange Tsai, Jang (@testanull), PeterJson, brandonshi123, mekhalleh (RAMELLA Sébastien), Donny Maasland, Rich Warren, Spencer McIntyre, wvu, horizon3ai, aravazhimdr, including a Metasploit module exploits/windows/http/exchange_proxyshell_rce.
AI-analyzed exploit summary This Metasploit module exploits the ProxyShell vulnerability chain (CVE-2021-31207, CVE-2021-34523, CVE-2021-34473) in Microsoft Exchange Server to achieve unauthenticated remote code execution by bypassing authentication, impersonating users, and writing arbitrary files.
Description
Microsoft Exchange Server Security Feature Bypass Vulnerability
Exploits (7)
This Metasploit module exploits the ProxyShell vulnerability chain (CVE-2021-31207, CVE-2021-34523, CVE-2021-34473) in Microsoft Exchange Server to achieve unauthenticated remote code execution by bypassing authentication, impersonating users, and writing arbitrary files.
This repository contains a functional exploit for the ProxyShell vulnerability chain (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207) affecting Microsoft Exchange Server. The exploit automates the attack chain to achieve unauthenticated remote code execution by leveraging authentication bypass and arbitrary file write vulnerabilities.
This repository contains a functional exploit for the ProxyShell vulnerability chain (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207) targeting Microsoft Exchange Server. The exploit merges two existing PoCs to achieve remote code execution by leveraging authentication bypass and arbitrary file write vulnerabilities.
This repository contains a functional exploit for CVE-2021-31207, targeting Microsoft Exchange Server via the ProxyShell vulnerability chain. It includes scripts to automate the exploitation process, delivering a webshell for remote code execution.
This repository contains functional exploit code for CVE-2021-31207, demonstrating ProxyShell vulnerabilities in Microsoft Exchange Server. The scripts include enumeration and RCE capabilities, leveraging autodiscover and EWS endpoints.
This repository contains a functional exploit for CVE-2021-31207, part of the ProxyShell vulnerability chain affecting Microsoft Exchange Server. The exploit demonstrates an authentication bypass and remote code execution by chaining SSRF and PowerShell remoting attacks.
This repository contains a scanner for detecting the Proxyshell vulnerability (CVE-2021-31207) in Microsoft Exchange Server. It includes a Python script and a Nuclei template to check for the presence of the vulnerability by sending a crafted request and checking for specific headers in the response.
References (4)
Scores
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H