Lucene search
+L

Zoho ManageEngine OpManager < 12.5.329 - Remote Code Execution Detection

🗓️ 28 Jul 2026 11:27:38Reported by KittySploitType 
kittysploit
 kittysploit
🔗 kittysploit.com👁 1 Views

Unauthenticated RCE in Zoho ManageEngine OpManager via deserialization class bypass.

Related
Refs
Code
ReporterTitlePublishedViews
Family
zdt
zdt
ManageEngine OpManager SumPDU Java Deserialization Exploit
21 Sep 202100:00
–zdt
attackerkb
attackerkb
CVE-2021-3287
22 Apr 202113:15
–attackerkb
circl
Circl
CVE-2021-3287
20 Sep 202117:34
–circl
cnnvd
CNNVD
Zoho ManageEngine OpManager 代码问题漏洞
22 Apr 202100:00
–cnnvd
cnvd
CNVD
Zoho ManageEngine OpManager Remote Code Execution Vulnerability (CNVD-2021-30701)
23 Apr 202100:00
–cnvd
cve
CVE
CVE-2021-3287
22 Apr 202112:58
–cve
cvelist
Cvelist
CVE-2021-3287
22 Apr 202112:58
–cvelist
metasploit
Metasploit
ManageEngine OpManager SumPDU Java Deserialization
26 Jul 202100:00
–metasploit
nuclei
Nuclei
Zoho ManageEngine OpManager < 12.5.329 - Remote Code Execution
14 Oct 202602:05
–nuclei
nvd
NVD
CVE-2021-3287
22 Apr 202113:15
–nvd
Rows per page
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Zoho ManageEngine OpManager before 12."""

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


class Module(Scanner, Http_client):
    __info__ = {
        'name': 'Zoho ManageEngine OpManager < 12.5.329 - Remote Code Execution Detection',
        'description': 'Zoho ManageEngine OpManager before 12.5.329 contains a remote code execution caused by a general bypass in the deserialization class, letting unauthenticated attackers execute arbitrary code, exploit requires no authentication',
        'author': ['KittySploit Team'],
        'severity': 'critical',
        'tags': ['web', 'scanner', 'cve', 'cve2021', 'deserialization', 'rce', 'opmanager', 'passive', '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': [],
            },
        },
        'references': [
            'http://packetstormsecurity.com/files/164231/ManageEngine-OpManager-SumPDU-Java-Deserialization.html',
            'https://nvd.nist.gov/vuln/detail/CVE-2021-3287',
        ],
        'cve': 'CVE-2021-3287',
    }

    def run(self):
        path = '/'
        r = self.http_request(method='GET', path=path, allow_redirects=True)
        if not r or r.status_code != 200:
            return False
        body = r.text or ""
        body_any = ('ManageEngine',)
        if any(m in body for m in body_any):
            self.set_info(
                severity='critical',
                reason='Zoho ManageEngine OpManager < 12.5.329 - Remote Code Execution detected',
                path=path,
            )
            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
9.2Critical risk
Vulners AI Score9.2
CVSS 27.5
CVSS 3.19.8
EPSS0.51332
1