VMware vSphere Client (HTML5) - Remote Code Execution Detection
| Reporter | Title | Published | Views | Family All 66 |
|---|---|---|---|---|
| VMware vCenter Server Virtual SAN Health Check Remote Code Execution Exploit | 16 Jul 202100:00 | – | zdt | |
| Exploit for Unsafe Reflection in Vmware Vcenter_Server | 1 Jun 202108:31 | – | githubexploit | |
| Exploit for Unsafe Reflection in Vmware Vcenter_Server | 9 Nov 202119:06 | – | githubexploit | |
| Exploit for Unsafe Reflection in Vmware Vcenter_Server | 29 May 202113:07 | – | githubexploit | |
| Exploit for Unsafe Reflection in Vmware Vcenter_Server | 3 Jun 202112:17 | – | githubexploit | |
| Exploit for Path Traversal in Vmware Cloud_Foundation | 4 Oct 202203:39 | – | githubexploit | |
| Exploit for Unsafe Reflection in Vmware Vcenter_Server | 1 Jun 202119:12 | – | githubexploit | |
| Exploit for Unsafe Reflection in Vmware Vcenter_Server | 4 Jun 202101:15 | – | githubexploit | |
| Exploit for Improper Input Validation in Vmware Vcenter_Server | 6 Sep 202511:50 | – | gitee | |
| Top Routinely Exploited Vulnerabilities | 20 Aug 202112:00 | – | ics |
10
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in t."""
from kittysploit import *
from lib.protocols.http.http_client import Http_client
class Module(Scanner, Http_client):
__info__ = {
'name': 'VMware vSphere Client (HTML5) - Remote Code Execution Detection',
'description': 'The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.',
'author': ['KittySploit Team'],
'severity': 'critical',
'tags': ['web', 'scanner', 'cve2021', 'cve', 'packetstorm', 'rce', 'vsphere', 'vmware', 'kev', 'vkev', 'vuln'],
'agent': {
'risk': 'active',
'effects': ['network_probe'],
'expected_requests': 1,
'reversible': True,
'approval_required': False,
'produces': ['tech_hints', 'risk_signals', 'endpoints'],
'cost': 1.0,
'noise': 0.4,
'value': 1.0,
'requires': {
'min_endpoints': 0,
'min_params': 0,
'tech_hints_any': [],
'tech_hints_all': [],
'specializations_any': [],
'risk_signals_any': [],
'auth_session': False,
'capabilities_any': [],
'capabilities_all': [],
'confidence_min': {},
'confidence_min_any': {},
'endpoint_pattern_any': [],
'param_any': [],
'api_surface_ready': False,
},
'chain': {
'produces_capabilities': [
{
'capability': 'risk_signal',
'from_detail': '',
},
],
'consumes_capabilities': [],
'option_bindings': {},
'suggested_followups': ['exploits/multi/http/vmware_vcenter_cve_2021_21985_rce'],
},
},
'references': [
'https://www.vmware.com/security/advisories/VMSA-2021-0010.html',
'https://github.com/alt3kx/CVE-2021-21985_PoC',
'https://nvd.nist.gov/vuln/detail/CVE-2021-21985',
'http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html',
'https://github.com/onSec-fr/CVE-2021-21985-Checker',
],
'cve': 'CVE-2021-21985',
}
def run(self):
path = '/ui/h5-vsan/rest/proxy/service/com.vmware.vsan.client.services.capability.VsanCapabilityProvider/getClusterCapabilityData'
r = self.http_request(method='POST', path=path, allow_redirects=False, headers={'Accept': '*/*', 'Content-Type': 'application/json'}, data='{"methodInput":[{"type":"ClusterComputeResource","value": null,"serverGuid": null}]}\n')
if not r or r.status_code != 200:
return False
body = r.text or ""
body_any = ('{"result":{"isDisconnected":',)
if any(m in body for m in body_any):
self.set_info(severity='critical', reason='VMware vSphere Client (HTML5) - Remote Code Execution detected', path=path)
return True
return False
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05 Oct 2026 14:20Current
9.4Critical risk
Vulners AI Score9.4
CVSS 3.19.8
CVSS 210
EPSS0.99999
SSVC