CVE-2025-4527 in NGC Explorer
Summary
by MITRE • 05/11/2025
A security flaw has been discovered in Dígitro NGC Explorer up to 3.44.15/3.48.21. The impacted element is an unknown function of the component Password Transmission Handler. Performing a manipulation results in client-side enforcement of server-side security. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is regarded as difficult. Upgrading to version 3.48.22 is sufficient to resolve this issue. Upgrading the affected component is recommended. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 05/28/2026
CVE-2025-4527 represents a significant security flaw in Dígitro NGC Explorer version 3.44.15 that falls under the category of client-side security bypass vulnerability. This vulnerability specifically targets the Password Transmission Handler component, which serves as a critical interface for handling authentication credentials within the application. The flaw enables an attacker to manipulate the security enforcement mechanisms that should normally operate server-side, effectively undermining the intended security architecture. The vulnerability's classification as problematic indicates that it poses a substantial risk to the system's integrity and confidentiality, particularly when considering that the attack can be initiated remotely without requiring physical access to the target system.
The technical nature of this vulnerability stems from improper handling of authentication flows within the password transmission handler module. When examining this issue through the lens of CWE classification, it aligns with CWE-613, which addresses insufficient session management, and potentially CWE-306, concerning missing authentication. The attack vector requires remote exploitation, suggesting that the vulnerability exists in network-facing components that process authentication requests. The high complexity and difficulty of exploitation indicate that attackers would need to overcome multiple security layers, potentially involving sophisticated techniques such as session manipulation, credential replay attacks, or protocol manipulation to successfully leverage this weakness. The vulnerability's remote exploitability means that attackers can target the system from external networks without requiring local access, significantly expanding the potential attack surface.
The operational impact of CVE-2025-4527 extends beyond simple credential theft, as it fundamentally compromises the security model that should protect user authentication. If successfully exploited, this vulnerability could allow attackers to bypass authentication mechanisms entirely, potentially gaining unauthorized access to sensitive data and system resources. The client-side enforcement of server-side security implies that the application's security decisions are being manipulated at the client level, which could lead to privilege escalation or unauthorized administrative access. The lack of vendor response following early disclosure raises concerns about the application's security maintenance and the potential for prolonged exposure without remediation. This vulnerability particularly affects organizations that rely on Dígitro NGC Explorer for sensitive operations, as it could enable attackers to compromise authentication workflows across multiple user sessions.
Organizations should implement immediate mitigations including network segmentation to limit access to the affected application, monitoring for anomalous authentication patterns, and implementing additional authentication layers such as multi-factor authentication to reduce the risk of exploitation. Security teams should conduct thorough penetration testing to identify potential exploitation paths and ensure that network traffic to the affected component is properly monitored. The vulnerability's classification as difficult to exploit suggests that while immediate action is necessary, it may not be immediately leveraged by all threat actors, but the potential for future exploitation remains high. Organizations should also consider implementing automated patch management processes to ensure rapid deployment of vendor fixes when they become available, and maintain detailed incident response procedures that account for potential authentication bypass scenarios. The absence of vendor response should prompt organizations to develop contingency plans and potentially seek alternative solutions or vendor support channels to address this security gap.