CVE-2025-41437 in OpManager
Summary
by MITRE • 06/09/2025
Zohocorp ManageEngine OpManager, NetFlow Analyzer, Network Configuration Manager, Firewall Analyzer and OpUtils versions 128565 and below are vulnerable to Reflected XSS on the login page.
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Analysis
by VulDB Data Team • 06/13/2025
The vulnerability identified as CVE-2025-41437 affects multiple ManageEngine products including OpManager, NetFlow Analyzer, Network Configuration Manager, Firewall Analyzer, and OpUtils all versions 128565 and below. This represents a critical security flaw that exposes these network management tools to reflected cross-site scripting attacks. The vulnerability specifically targets the login page functionality of these applications, making it particularly dangerous as it can be exploited during the authentication process when users attempt to access the system.
The technical flaw manifests as a reflected cross-site scripting vulnerability that occurs when user-supplied input is not properly sanitized or encoded before being reflected back in the application's response. When an attacker crafts a malicious URL containing XSS payload and tricks a victim into clicking it, the payload executes in the victim's browser context. This vulnerability falls under CWE-79 which defines cross-site scripting as one of the most prevalent web application security flaws. The reflected nature of this vulnerability means that the malicious script is reflected off the web server rather than being stored, making it particularly effective for phishing attacks and session hijacking attempts.
The operational impact of this vulnerability is significant for organizations using affected ManageEngine products as it provides attackers with the ability to execute arbitrary code in the context of authenticated users' browsers. This could lead to session hijacking, credential theft, data exfiltration, and potential lateral movement within the network. Attackers could exploit this vulnerability to gain unauthorized access to sensitive network configuration data, monitoring information, and potentially escalate privileges within the affected systems. The attack vector is particularly concerning because it targets the login page where users are expected to enter their credentials, making it a prime location for credential harvesting attacks.
Organizations should immediately implement mitigations including applying the latest patches from ManageEngine as soon as they become available. Network administrators should also consider implementing web application firewalls to detect and block malicious requests containing XSS payloads. Input validation and output encoding should be strengthened throughout the application's codebase to prevent similar vulnerabilities. Additionally, security awareness training for administrators and users can help prevent social engineering attacks that might leverage this vulnerability. The ATT&CK framework categorizes this type of vulnerability under T1566 which covers phishing techniques, while T1071.004 covers application layer protocol traffic shaping that could be used to mask malicious payloads. Organizations should also consider implementing monitoring solutions to detect unusual login patterns or attempts to access the vulnerable login page with suspicious parameters.