Vulnerability Database

325,773

Total vulnerabilities in the database

CVE-2021-20078

Manage Engine OpManager builds below 125346 are vulnerable to a remote denial of service vulnerability due to a path traversal issue in spark gateway component. This allows a remote attacker to remotely delete any directory or directories on the OS.

  • Published: Apr 1, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-20078
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.1
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 9.4
  • AV:N/AC:L/Au:N/C:N/I:C/A:C
Software From Fixed in
zohocorp / manageengine_opmanager - 12.5
zohocorp / manageengine_opmanager 12.5-build125233 12.5-build125233.x
zohocorp / manageengine_opmanager 12.5-build125312 12.5-build125312.x
zohocorp / manageengine_opmanager 12.5-build125323 12.5-build125323.x
zohocorp / manageengine_opmanager 12.5-build125324 12.5-build125324.x
zohocorp / manageengine_opmanager 12.5-build125326 12.5-build125326.x
zohocorp / manageengine_opmanager 12.5-build125328 12.5-build125328.x
zohocorp / manageengine_opmanager 12.5-build125000 12.5-build125000.x
zohocorp / manageengine_opmanager 12.5-build125002 12.5-build125002.x
zohocorp / manageengine_opmanager 12.5-build125100 12.5-build125100.x
zohocorp / manageengine_opmanager 12.5-build125101 12.5-build125101.x
zohocorp / manageengine_opmanager 12.5-build125102 12.5-build125102.x
zohocorp / manageengine_opmanager 12.5-build125108 12.5-build125108.x
zohocorp / manageengine_opmanager 12.5-build125110 12.5-build125110.x
zohocorp / manageengine_opmanager 12.5-build125111 12.5-build125111.x
zohocorp / manageengine_opmanager 12.5-build125112 12.5-build125112.x
zohocorp / manageengine_opmanager 12.5-build125113 12.5-build125113.x
zohocorp / manageengine_opmanager 12.5-build125114 12.5-build125114.x
zohocorp / manageengine_opmanager 12.5-build125116 12.5-build125116.x
zohocorp / manageengine_opmanager 12.5-build125117 12.5-build125117.x
zohocorp / manageengine_opmanager 12.5-build125118 12.5-build125118.x
zohocorp / manageengine_opmanager 12.5-build125120 12.5-build125120.x
zohocorp / manageengine_opmanager 12.5-build125121 12.5-build125121.x
zohocorp / manageengine_opmanager 12.5-build125123 12.5-build125123.x
zohocorp / manageengine_opmanager 12.5-build125124 12.5-build125124.x
zohocorp / manageengine_opmanager 12.5-build125125 12.5-build125125.x
zohocorp / manageengine_opmanager 12.5-build125136 12.5-build125136.x
zohocorp / manageengine_opmanager 12.5-build125137 12.5-build125137.x
zohocorp / manageengine_opmanager 12.5-build125139 12.5-build125139.x
zohocorp / manageengine_opmanager 12.5-build125140 12.5-build125140.x
zohocorp / manageengine_opmanager 12.5-build125143 12.5-build125143.x
zohocorp / manageengine_opmanager 12.5-build125144 12.5-build125144.x
zohocorp / manageengine_opmanager 12.5-build125145 12.5-build125145.x
zohocorp / manageengine_opmanager 12.5-build125156 12.5-build125156.x
zohocorp / manageengine_opmanager 12.5-build125157 12.5-build125157.x
zohocorp / manageengine_opmanager 12.5-build125158 12.5-build125158.x
zohocorp / manageengine_opmanager 12.5-build125159 12.5-build125159.x
zohocorp / manageengine_opmanager 12.5-build125161 12.5-build125161.x
zohocorp / manageengine_opmanager 12.5-build125163 12.5-build125163.x
zohocorp / manageengine_opmanager 12.5-build125174 12.5-build125174.x
zohocorp / manageengine_opmanager 12.5-build125175 12.5-build125175.x
zohocorp / manageengine_opmanager 12.5-build125176 12.5-build125176.x
zohocorp / manageengine_opmanager 12.5-build125177 12.5-build125177.x
zohocorp / manageengine_opmanager 12.5-build125178 12.5-build125178.x
zohocorp / manageengine_opmanager 12.5-build125180 12.5-build125180.x
zohocorp / manageengine_opmanager 12.5-build125181 12.5-build125181.x
zohocorp / manageengine_opmanager 12.5-build125192 12.5-build125192.x
zohocorp / manageengine_opmanager 12.5-build125193 12.5-build125193.x
zohocorp / manageengine_opmanager 12.5-build125194 12.5-build125194.x
zohocorp / manageengine_opmanager 12.5-build125195 12.5-build125195.x
zohocorp / manageengine_opmanager 12.5-build125196 12.5-build125196.x
zohocorp / manageengine_opmanager 12.5-build125197 12.5-build125197.x
zohocorp / manageengine_opmanager 12.5-build125198 12.5-build125198.x
zohocorp / manageengine_opmanager 12.5-build125201 12.5-build125201.x
zohocorp / manageengine_opmanager 12.5-build125204 12.5-build125204.x
zohocorp / manageengine_opmanager 12.5-build125212 12.5-build125212.x
zohocorp / manageengine_opmanager 12.5-build125213 12.5-build125213.x
zohocorp / manageengine_opmanager 12.5-build125214 12.5-build125214.x
zohocorp / manageengine_opmanager 12.5-build125215 12.5-build125215.x
zohocorp / manageengine_opmanager 12.5-build125216 12.5-build125216.x
zohocorp / manageengine_opmanager 12.5-build125228 12.5-build125228.x
zohocorp / manageengine_opmanager 12.5-build125229 12.5-build125229.x
zohocorp / manageengine_opmanager 12.5-build125230 12.5-build125230.x
zohocorp / manageengine_opmanager 12.5-build125231 12.5-build125231.x
zohocorp / manageengine_opmanager 12.5-build125232 12.5-build125232.x
zohocorp / manageengine_opmanager 12.5-build125342 12.5-build125342.x
zohocorp / manageengine_opmanager 12.5-build125329 12.5-build125329.x
zohocorp / manageengine_opmanager 12.5-build125344 12.5-build125344.x
zohocorp / manageengine_opmanager 12.5-build125343 12.5-build125343.x
zohocorp / manageengine_opmanager 12.5-build125341 12.5-build125341.x
zohocorp / manageengine_opmanager 12.5-build125340 12.5-build125340.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.