CVE-2024-3788 in WBSAirback
Summary
by MITRE • 05/14/2024
Vulnerability in WBSAirback 21.02.04, which involves improper neutralisation of Server-Side Includes (SSI), through License (/admin/CDPUsers). Exploitation of this vulnerability could allow a remote user to execute arbitrary code.
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Analysis
by VulDB Data Team • 04/10/2025
The vulnerability identified as CVE-2024-3788 affects WBSAirback version 21.02.04 and represents a critical server-side include injection flaw that undermines the application's security posture. This weakness exists within the license management functionality accessible through the /admin/CDPUsers endpoint, where the application fails to properly sanitize user-supplied input before processing Server-Side Includes directives. The improper neutralisation of SSI elements creates an attack surface where malicious actors can inject and execute arbitrary code on the target system with the privileges of the web application. This vulnerability falls under the category of CWE-156 improper neutralization of Server-Side Includes, which is classified as a high-risk issue in the CWE database due to its potential for remote code execution and privilege escalation. The flaw directly maps to attack techniques described in the MITRE ATT&CK framework under T1059.007 for command and scripting interpreter and T1566.001 for spearphishing attachment, as it enables adversaries to leverage the application's legitimate functionality to execute malicious payloads.
The technical exploitation of this vulnerability requires a remote attacker to submit specially crafted input through the license management interface that contains Server-Side Includes directives. When the application processes this input without proper sanitization, it allows the SSI parser to interpret and execute the injected code, potentially leading to complete system compromise. The attack vector is particularly concerning because it operates through the administrative interface, which typically requires authentication but may be accessible to users with legitimate administrative privileges. This vulnerability demonstrates poor input validation practices and highlights the importance of implementing proper security controls around administrative functions that handle user-supplied data. The risk assessment for this vulnerability aligns with the Common Vulnerability Scoring System (CVSS) scoring model, where the potential for remote code execution and the presence of administrative functionality contribute to a high severity rating.
The operational impact of CVE-2024-3788 extends beyond simple code execution to encompass complete system compromise and data breach potential. Successful exploitation could enable attackers to establish persistent access, escalate privileges, and exfiltrate sensitive information from the affected system. Organizations using WBSAirback 21.02.04 face significant exposure to threat actors who may leverage this vulnerability to gain unauthorized access to their backup infrastructure, potentially leading to data loss, system disruption, and compliance violations. The administrative interface provides access to critical system configuration and user management functions, making this vulnerability particularly attractive to attackers seeking long-term access. Security monitoring should focus on unusual patterns in administrative access logs and unexpected code execution activities. The vulnerability also presents challenges for incident response teams as it may be difficult to distinguish legitimate SSI processing from malicious injection attempts, requiring enhanced logging and monitoring capabilities. Organizations should implement immediate mitigation strategies including patching the application to the latest version, implementing web application firewalls, and conducting comprehensive security assessments of the affected system's administrative interfaces. Additionally, network segmentation and access control measures should be strengthened to limit the potential impact of successful exploitation attempts.