Vulnerability Database

383,463

Total vulnerabilities in the database

CVE-2020-21642 — zohocorp / manageengine_analytics_plus

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Directory Traversal vulnerability ZDBQAREFSUBDIR parameter in /zropusermgmt API in Zoho ManageEngine Analytics Plus before 4350 allows remote attackers to run arbitrary code.

  • Published: Aug 15, 2022
  • Updated: Sep 13, 2026
  • CVE: CVE-2020-21642
  • Severity: Critical
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Software Affected versions
zohocorp / manageengine_analytics_plus = 2.9-build2900
zohocorp / manageengine_analytics_plus = 2.9-build2901
zohocorp / manageengine_analytics_plus = 2.9-build2902
zohocorp / manageengine_analytics_plus = 2.9-build2903
zohocorp / manageengine_analytics_plus = 2.9-build2904
zohocorp / manageengine_analytics_plus = 2.9-build2905
zohocorp / manageengine_analytics_plus = 2.9-build2906
zohocorp / manageengine_analytics_plus = 2.9-build2907
zohocorp / manageengine_analytics_plus = 3.0-build3000
zohocorp / manageengine_analytics_plus = 3.0-build3010
zohocorp / manageengine_analytics_plus = 3.0-build3020
zohocorp / manageengine_analytics_plus = 3.0-build3030
zohocorp / manageengine_analytics_plus = 3.0-build3040
zohocorp / manageengine_analytics_plus = 3.0-build3050
zohocorp / manageengine_analytics_plus = 3.1-build3100
zohocorp / manageengine_analytics_plus = 3.1-build3110
zohocorp / manageengine_analytics_plus = 3.1-build3120
zohocorp / manageengine_analytics_plus = 3.1-build3130
zohocorp / manageengine_analytics_plus = 3.1-build3140
zohocorp / manageengine_analytics_plus = 3.2-build3200
zohocorp / manageengine_analytics_plus = 3.2-build3250
zohocorp / manageengine_analytics_plus = 3.3-build3300
zohocorp / manageengine_analytics_plus = 3.3-build3310
zohocorp / manageengine_analytics_plus = 3.4-build3400
zohocorp / manageengine_analytics_plus = 3.4-build3450
zohocorp / manageengine_analytics_plus = 3.5-build3500
zohocorp / manageengine_analytics_plus = 3.6-build3600
zohocorp / manageengine_analytics_plus = 3.7-build3700
zohocorp / manageengine_analytics_plus = 3.8-build3800
zohocorp / manageengine_analytics_plus = 3.9-build3900
zohocorp / manageengine_analytics_plus = 3.9-build3950
zohocorp / manageengine_analytics_plus = 4.0-build4000
zohocorp / manageengine_analytics_plus = 4.1-build4100
zohocorp / manageengine_analytics_plus = 4.1-build4150
zohocorp / manageengine_analytics_plus = 4.2-build4200
zohocorp / manageengine_analytics_plus = 4.2-build4250
zohocorp / manageengine_analytics_plus = 4.2-build4260
zohocorp / manageengine_analytics_plus = 4.2-build4270
zohocorp / manageengine_analytics_plus = 4.2-build4280
zohocorp / manageengine_analytics_plus = 4.3-build4300
zohocorp / manageengine_analytics_plus = 4.3-build4310

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.