CVE-2025-33084 in Concert Software
Summary
by MITRE • 09/01/2025
IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques.
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Analysis
by VulDB Data Team • 09/01/2025
The vulnerability identified as CVE-2025-33084 affects IBM Concert Software versions 1.0.0 through 1.1.0 and represents a critical security flaw in the application's web server configuration. This issue stems from the improper implementation of HTTP Strict Transport Security (HSTS) headers, which are essential components of web application security protocols designed to protect against protocol downgrade attacks and cookie hijacking. The vulnerability creates an exploitable condition where an attacker positioned in a man-in-the-middle position can intercept communications between clients and the vulnerable server, potentially accessing sensitive data that would otherwise be protected by secure transport mechanisms.
The technical flaw manifests in the absence of proper HSTS header implementation within the web server responses generated by IBM Concert Software. HSTS is a web security policy mechanism that enforces secure connections between clients and servers by instructing browsers to only communicate over HTTPS, thereby preventing attackers from intercepting or manipulating traffic. When HSTS is properly configured, it ensures that all communications are encrypted and that any attempts to establish connections over HTTP are automatically redirected to HTTPS. The failure to implement this security measure leaves the application vulnerable to various attack vectors including session hijacking, credential theft, and data interception.
The operational impact of this vulnerability extends beyond simple information disclosure, creating a significant risk for organizations utilizing IBM Concert Software in production environments. Attackers can leverage this weakness to perform man-in-the-middle attacks, potentially accessing sensitive user credentials, session tokens, and other confidential information transmitted through the application. The vulnerability is particularly concerning because it affects a broad range of versions within the 1.0.0 to 1.1.0 release cycle, suggesting that organizations may be exposed to this risk across multiple deployments. This weakness undermines the fundamental security posture of the application and could lead to unauthorized access to business-critical data, potentially resulting in financial losses, regulatory compliance violations, and reputational damage.
Organizations should immediately implement mitigations to address this vulnerability by ensuring proper HSTS header implementation across all web server configurations. The recommended approach involves configuring the web server to include the Strict-Transport-Security header in all responses with appropriate parameters such as max-age, includeSubDomains, and preload directives. This configuration should be complemented by thorough security testing to verify that all communication channels are properly secured. Additionally, organizations should consider implementing network-level protections such as SSL/TLS inspection and monitoring for suspicious traffic patterns that may indicate exploitation attempts. The vulnerability aligns with CWE-311, which specifically addresses the absence of sensitive data protection, and represents a direct violation of security best practices outlined in the OWASP Top Ten project, particularly the A03:2021 - Injection and A07:2021 - Identification and Authentication Failures categories. From an ATT&CK framework perspective, this vulnerability maps to T1566.001 - Phishing and T1041 - Exfiltration Over C2 Channel, as attackers could leverage the insecure transport to establish covert communication channels and exfiltrate sensitive information.