CVE-2024-4399 in cas Plugin
Summary
by MITRE • 05/23/2024
The does not validate a parameter before making a request to it, which could allow unauthenticated users to perform SSRF attack
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Analysis
by VulDB Data Team • 06/30/2025
The vulnerability identified as CVE-2024-4399 represents a critical server-side request forgery flaw that undermines the security posture of affected systems. This weakness stems from insufficient parameter validation within the application's request processing logic, creating an exploitable pathway for malicious actors to manipulate internal network communications. The vulnerability specifically manifests when the system fails to properly validate user-supplied parameters before forwarding requests to backend services, thereby enabling attackers to craft malicious inputs that can traverse internal network boundaries. Such a flaw directly violates fundamental security principles of input sanitization and access control enforcement, as outlined in the CWE-918 category for Server-Side Request Forgery. The implications extend beyond simple data exfiltration, as successful exploitation can potentially lead to internal network reconnaissance, lateral movement, and access to sensitive backend systems that would normally be protected by network segmentation.
The technical exploitation of CVE-2024-4399 leverages the absence of proper parameter validation to construct requests that bypass normal access controls and authentication mechanisms. Attackers can manipulate input fields to redirect requests to internal IP addresses or services that should remain inaccessible to external users. This vulnerability operates under the ATT&CK framework's T1190 technique for Proxying, where attackers use compromised systems to access internal resources indirectly. The flaw essentially transforms the application into a potential attack vector that can be weaponized to probe internal network configurations, access internal APIs, or even exfiltrate data from systems that are normally protected behind firewalls. The lack of validation creates a direct pathway for attackers to leverage the application's legitimate network access privileges to perform unauthorized operations against internal infrastructure components.
The operational impact of this vulnerability extends significantly beyond immediate exploitation, as it can serve as a foundation for more sophisticated attacks within compromised environments. Unauthenticated access to internal systems through SSRF vulnerabilities can enable attackers to perform reconnaissance activities, identify internal services, and map network topology without requiring additional authentication credentials. This reconnaissance capability aligns with ATT&CK technique T1018 for Remote System Discovery, where attackers gather information about networked systems to plan further attacks. Organizations may experience cascading security failures as the initial compromise can lead to privilege escalation opportunities, data breaches, and potential system compromise. The vulnerability's impact is particularly severe in environments where internal systems are not properly isolated or where the application has elevated privileges that could be leveraged to access sensitive data repositories or administrative functions.
Mitigation strategies for CVE-2024-4399 must focus on implementing robust input validation mechanisms and establishing proper access controls for all external requests. Organizations should implement strict parameter validation that ensures all input parameters are properly sanitized and validated before any processing occurs. The implementation of allowlists for acceptable request destinations and the use of secure network configurations can significantly reduce the attack surface. Organizations should also consider implementing network segmentation and the principle of least privilege to limit the potential impact of successful exploitation attempts. Additionally, regular security testing including automated scanning and manual penetration testing can help identify similar vulnerabilities before they can be exploited. The mitigation approach should align with industry standards such as NIST SP 800-53 controls for input validation and access control, ensuring that the implemented solutions provide comprehensive protection against both current and emerging threats.