CVE-2025-3003 in CDG
Summary
by MITRE • 03/31/2025
A vulnerability, which was classified as critical, was found in ESAFENET CDG 3. Affected is an unknown function of the file /CDGServer3/UserAjax. The manipulation of the argument Username leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 04/01/2025
This critical vulnerability in ESAFENET CDG 3 presents a severe sql injection flaw within the /CDGServer3/UserAjax file that allows remote attackers to manipulate the Username argument. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into database queries. This type of weakness directly maps to CWE-89 which specifically addresses sql injection vulnerabilities where untrusted data is concatenated into sql commands without proper escaping or parameterization. The attack vector is particularly dangerous as it can be executed remotely without requiring any authentication or privileged access, making it highly exploitable in real-world scenarios.
The operational impact of this vulnerability extends beyond simple data theft, as sql injection attacks can enable complete database compromise including unauthorized data access, modification, or deletion. Attackers could potentially escalate privileges, extract sensitive user information, or even gain control over the underlying database server. The fact that this exploit has been publicly disclosed and is actively being used increases the risk profile significantly, as threat actors can readily leverage this weakness without requiring advanced technical skills or extensive reconnaissance. The vulnerability affects the core authentication functionality of the system, potentially compromising user accounts and sensitive organizational data.
Security professionals should immediately implement comprehensive mitigations including input validation, parameterized queries, and web application firewall rules to prevent sql injection attacks targeting this specific endpoint. The lack of vendor response despite early notification creates additional risk as organizations cannot rely on official patches or updates to address the issue. Organizations using ESAFENET CDG 3 should conduct immediate vulnerability assessments, monitor network traffic for exploitation attempts, and consider implementing network segmentation to limit potential lateral movement. This vulnerability also aligns with ATT&CK technique T1190 which covers exploitation of remote services, and T1071.004 which addresses application layer protocol usage. The disclosure timeline and vendor inaction highlight the importance of proactive security measures and the need for organizations to maintain independent vulnerability management processes.
The technical nature of this flaw demonstrates a fundamental weakness in the application's data handling processes that should have been addressed through proper secure coding practices and input validation mechanisms. Organizations should prioritize patch management, conduct regular security assessments, and implement defense-in-depth strategies to protect against similar vulnerabilities in their systems. The public disclosure of this exploit serves as a reminder of the critical importance of timely vulnerability remediation and vendor communication in maintaining overall security posture.