How severe is CVE-2019-15106?

CVE-2019-15106 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-15106 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15106?

CVE-2019-15106 affects Zohocorp Manageengine Opmanager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15106?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-15106 published?

CVE-2019-15106 was published on 2019-08-16 and last updated on 2026-06-17.

CVE-2019-15106

CVE-2019-15106 is a critical-severity vulnerability in Zohocorp Manageengine Opmanager with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Zohocorp Manageengine Opmanager
Published: 2019-08-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-15106?: 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.
How severe is CVE-2019-15106?: CVE-2019-15106 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-15106 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15106?: CVE-2019-15106 affects Zohocorp Manageengine Opmanager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15106?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-15106 published?: CVE-2019-15106 was published on 2019-08-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zohocorp:manageengine_opmanager:*:*:*:*:*:*:*:*

More vulnerabilities in Zohocorp Manageengine Opmanager

CVE-2022-29535 — Critical (CVSS 9.8): Zoho ManageEngine OPManager through 125588 allows SQL Injection via a few default reports.
CVE-2021-44514 — Critical (CVSS 9.8): OpUtils in Zoho ManageEngine OpManager 12.5 before 125490 mishandles authentication for a few audit directories.
CVE-2021-41075 — Critical (CVSS 9.8): The NetFlow Analyzer in Zoho ManageEngine OpManger before 125455 is vulnerable to SQL Injection in the Attacks Module…
CVE-2021-40493 — Critical (CVSS 9.8): Zoho ManageEngine OpManager before 125437 is vulnerable to SQL Injection in the support diagnostics module. This occurs…
CVE-2021-41288 — Critical (CVSS 9.8): Zoho ManageEngine OpManager version 125466 and below is vulnerable to SQL Injection in the getReportData API.
CVE-2021-3287 — Critical (CVSS 9.8): Zoho ManageEngine OpManager before 12.5.329 allows unauthenticated Remote Code Execution due to a general bypass in the…

All CVEs affecting Zohocorp Manageengine Opmanager →

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

CVE-2026-54309 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP…
CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →