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Vulnerability record · CVE-2019-15106 · published 16 August 2019

CVE-2019-15106: Zohocorp manageengine opmanager missing authentication for critical function vulnerability

Zohocorp · Manageengine Opmanager

An issue was discovered in Zoho ManageEngine OpManager in builds before 14310. One can bypass the user password requirement and execute commands on the server. The "username+'@opm' string is used for the password. For example, if the username is admin, the password is admin@opm.

9.8 CVSS 3.0 Critical EPSS 25% · top 2.1% CWE-306 · Missing authentication for critical function
9.8CVSS 3.0 base score, v2 7.5
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Zoho ManageEngine OpManager in builds before 14310. One can bypass the user password requirement and execute commands on the server. The "username+'@opm' string is used for the password. For example, if the username is admin, the password is admin@opm.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://pentest.com.tr/exploits/DEFCON-ManageEngine-OpManager-v12-4-Unauthenticated-Remote-Command-Execution.html ExploitThird Party Advisory
https://www.exploit-db.com/exploits/47229 ExploitThird Party AdvisoryVDB Entry
https://www.manageengine.com/network-monitoring/security-updates/cve-2019-15106.html
https://www.manageengine.com/products/applications_manager/security-updates/security-updates-cve-2019-15106.html
http://pentest.com.tr/exploits/DEFCON-ManageEngine-OpManager-v12-4-Unauthenticated-Remote-Command-Execution.html ExploitThird Party Advisory
https://www.exploit-db.com/exploits/47229 ExploitThird Party AdvisoryVDB Entry
https://www.manageengine.com/network-monitoring/security-updates/cve-2019-15106.html
https://www.manageengine.com/products/applications_manager/security-updates/security-updates-cve-2019-15106.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-29535Zoho ManageEngine OPManager SQL injection in default reportsZoho ManageEngine OPManager through build 125588 contains a SQL injection flaw reachable through a few default reports. Because the vulnerable path i…EPSS 92%analysed9.8CVE-2021-44514Zohocorp manageengine opmanager improper authentication vulnerabilityOpUtils in Zoho ManageEngine OpManager 12.5 before 125490 mishandles authentication for a few audit directories.EPSS 5.4%9.8CVE-2021-40493Zoho ManageEngine OpManager SQL injection in diagnostics APIZoho ManageEngine OpManager before build 125437 contains a SQL injection in the support diagnostics module, reached through the pollingObject paramet…EPSS 50%analysed9.8CVE-2021-41075Zohocorp manageengine opmanager sql injection vulnerabilityThe NetFlow Analyzer in Zoho ManageEngine OpManger before 125455 is vulnerable to SQL Injection in the Attacks Module API.EPSS 3.4%9.8CVE-2021-41288Zoho ManageEngine OpManager getReportData API SQL injectionZoho ManageEngine OpManager build 125466 and below contains a SQL injection flaw in the getReportData API. Because the endpoint is network-reachable …EPSS 80%analysed9.8CVE-2021-3287Zoho ManageEngine OpManager unauthenticated deserialization RCEZoho ManageEngine OpManager before 12.5.329 contains a Java deserialization flaw that can be triggered without authentication, allowing remote code e…EPSS 51%analysed9.8CVE-2020-28653Zoho ManageEngine OpManager RCE via Smart Update Manager servletZoho ManageEngine OpManager builds before 125203 (Stable) and before 125233 (Released) allow remote code execution through the Smart Update Manager (…EPSS 79%analysed9.8CVE-2020-10541Zohocorp manageengine opmanager vulnerabilityZoho ManageEngine OpManager before 12.4.179 allows remote code execution via a specially crafted Mail Server Settings v1 API request. This was fixed …EPSS 10%

Source: NIST National Vulnerability Database (record CVE-2019-15106), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.