CVE-2026-14913 in Firewall Analyzer
Summary
by MITRE • 09/23/2026
ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.669 and below were vulnerable to an SQL Injection vulnerability in Rule Management Search Reports.
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Analysis
by VulDB Data Team • 09/23/2026
The identified security flaw resides within the rule management search functionality of Zoho Corp's ManageEngine OpManager and Firewall Analyzer software, specifically affecting versions up through 12.8.669. This component is designed to allow administrators and authorized users to query existing network monitoring rules or firewall policies using various criteria such as name, description, or associated tags. The vulnerability stems from improper neutralization of special elements used in SQL commands within the search input parameters. When a user submits a search query, the application constructs a database backend request without adequately sanitizing or parameterizing the user-supplied data. This lack of rigorous validation allows an attacker to inject malicious Structured Query Language code directly into the application's logic layer.
From a technical perspective, this is classified as an SQL Injection vulnerability, which corresponds to CWE-89 in the Common Weakness Enumeration standard. The core issue involves the direct concatenation of user input into SQL statements rather than using prepared statements or parameterized queries. This architectural weakness permits the manipulation of the database query structure itself. An attacker can exploit this by crafting a specific search string that alters the intended logic of the backend command. For instance, by appending logical operators and subqueries to the search term, an intruder can bypass authentication checks, extract sensitive data from other tables within the same database schema, or even modify existing records depending on the privileges granted to the application's database user account.
The operational impact of this vulnerability is severe due to its potential for remote code execution at the database level and subsequent compromise of the entire management infrastructure. ManageEngine OpManager serves as a centralized platform for monitoring network devices, servers, and applications, while Firewall Analyzer focuses on security policy analysis across firewalls. Compromising these systems through SQL injection can lead to unauthorized access to critical network topology data, configuration details, and potentially credentials stored within the database. Attackers with low privileges who have valid login access can escalate their rights by exploiting this flaw. In worst-case scenarios, if the underlying database service runs with high system privileges or allows for command execution via specific SQL functions like xp_cmdshell in Microsoft SQL Server environments, an attacker could achieve full control over the host operating system, leading to a complete breach of confidentiality, integrity, and availability for the managed network assets.
This vulnerability aligns with MITRE ATT&CK technique T1059, specifically Command Line Interface execution if command injection is possible through the database layer, as well as T1190 which covers Exploit Public-Facing Applications. The attack vector typically involves a remote authenticated user interacting with the web interface of the affected software. While authentication is required to trigger this flaw, many organizations may have numerous service accounts or compromised credentials that provide access to these administrative interfaces, thereby increasing the likelihood of exploitation in real-world scenarios where lateral movement has already occurred within an enterprise network.
Mitigation strategies must prioritize immediate patching and defensive configuration changes. The primary remediation step is to upgrade ManageEngine OpManager and Firewall Analyzer to a version newer than 12.8.669, as Zoho Corp released patches addressing this specific SQL injection vector in subsequent releases. Until the software can be updated, administrators should implement strict input validation rules on any custom integrations or scripts that interact with these systems. Additionally, deploying Web Application Firewalls configured to detect and block common SQL injection patterns such as UNION SELECT statements or tautological conditions like OR 1=1 can provide a layer of defense in depth. It is also critical to enforce the principle of least privilege for database accounts associated with the application, ensuring that even if an injection succeeds, the attacker cannot perform destructive actions or access sensitive data outside the immediate scope of the vulnerability. Regular security audits and penetration testing focused on input handling mechanisms are recommended to identify similar weaknesses in other modules of these management platforms.