CVE-2021-22006

HIGH

VMware Cloud Foundation 3.0-4.9 and vCenter Server - Reverse Proxy Bypass via URI Handling

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-22006. PoCs published by CrackerCat.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2021-22005, which targets VMware vCenter Server. The exploit leverages a file upload vulnerability to achieve remote code execution (RCE) by creating a malicious agent and uploading a JSP shell.

Description

The vCenter Server contains a reverse proxy bypass vulnerability due to the way the endpoints handle the URI. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to access restricted endpoints.

Exploits (1)

nomisec WORKING POC 3 stars
by CrackerCat · poc
https://github.com/CrackerCat/CVE-2021-22006

This repository contains a functional exploit for CVE-2021-22005, which targets VMware vCenter Server. The exploit leverages a file upload vulnerability to achieve remote code execution (RCE) by creating a malicious agent and uploading a JSP shell.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: VMware vCenter Server
No auth needed
Prerequisites: Network access to the target vCenter Server · vCenter Server with vulnerable version
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://www.vmware.com/security/advisories/VMSA-2021-0020.html

Scores

CVSS v3 7.5
EPSS 0.0633
EPSS Percentile 92.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

Status published
Products (3)
vmware/cloud_foundation 3.0 - 5.0
vmware/vcenter_server 6.7
vmware/vcenter_server 7.0
Published Sep 23, 2021
Tracked Since Feb 18, 2026