CVE-2013-3993 in InfoSphere BigInsights
Summary
by MITRE
IBM InfoSphere BigInsights before 2.1.0.3 allows remote authenticated users to bypass intended file and directory restrictions, or access untrusted data or code, via crafted parameters in unspecified API calls.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 04/22/2026
The vulnerability identified as CVE-2013-3993 affects IBM InfoSphere BigInsights versions prior to 2.1.0.3, representing a critical authorization bypass flaw that undermines the system's data protection mechanisms. This issue stems from insufficient input validation within unspecified API calls, allowing authenticated attackers to manipulate parameters and gain unauthorized access to restricted resources. The vulnerability operates at the application layer and specifically targets the information disclosure and privilege escalation capabilities of the BigInsights platform, which is designed for big data processing and analytics. The flaw enables attackers to traverse file system boundaries and access data that should be restricted to authorized users only.
The technical implementation of this vulnerability involves parameter manipulation within API endpoints that handle file and directory access requests. Attackers can craft malicious API calls with specially designed parameters that bypass the intended access controls and directory traversal restrictions. This type of vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw essentially allows attackers to manipulate the API parameters to access files and directories outside the intended scope, potentially exposing sensitive data or system resources. The vulnerability's impact is amplified by the fact that it requires only authenticated access, meaning that any user with valid credentials can exploit this weakness.
From an operational perspective, this vulnerability poses significant risks to organizations utilizing IBM InfoSphere BigInsights for data processing and analytics. The unauthorized access to restricted files and directories could lead to data breaches, exposure of proprietary information, and potential compromise of the entire big data ecosystem. The vulnerability affects the confidentiality and integrity of the system, as attackers can access untrusted data or code that should remain protected. This type of access could enable further exploitation, including the potential to inject malicious code or escalate privileges within the system. The impact extends beyond immediate data exposure to include potential compliance violations and reputational damage for organizations handling sensitive information through the platform.
Organizations should implement immediate mitigations including upgrading to IBM InfoSphere BigInsights version 2.1.0.3 or later, which contains the necessary patches to address this vulnerability. Additionally, administrators should review and strengthen access controls, implement proper input validation for API endpoints, and monitor API call patterns for suspicious activity. Network segmentation and least privilege access principles should be enforced to limit the potential impact of successful exploitation. Security teams should also consider implementing API monitoring solutions that can detect anomalous parameter usage patterns and alert on potential exploitation attempts. The vulnerability's classification under the ATT&CK framework would fall under privilege escalation and defense evasion techniques, as it allows attackers to bypass security controls and access restricted resources without detection. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the big data infrastructure.