CVE-2025-31962 in BigFix IVR
Summary
by MITRE • 01/07/2026
Insufficient session expiration in the Web UI authentication component in HCL BigFix IVR version 4.2 allows an authenticated attacker to gain prolonged unauthorized access to protected API endpoints due to excessive expiration periods.
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Analysis
by VulDB Data Team • 01/13/2026
The vulnerability identified as CVE-2025-31962 resides within the Web UI authentication component of HCL BigFix IVR version 4.2, representing a critical weakness in session management that directly impacts the security posture of organizations relying on this platform. This flaw falls under the category of insufficient session expiration, which is classified as CWE-613, and specifically manifests as a failure to properly terminate user sessions after predetermined time intervals. The vulnerability affects the authentication system's ability to enforce timely session termination, creating a persistent security risk for legitimate users and attackers alike.
The technical implementation of this vulnerability stems from the authentication component's configuration where session expiration periods are set to excessively long durations, often extending beyond reasonable security thresholds. When an authenticated user accesses protected API endpoints through the Web UI, the system fails to enforce proper session timeout mechanisms that should automatically invalidate the authentication token after a defined period of inactivity. This allows an attacker who has gained legitimate access to maintain persistent unauthorized access to sensitive resources without requiring re-authentication. The extended session lifetimes provide attackers with prolonged windows of opportunity to exploit the system, potentially leading to data exfiltration, privilege escalation, or system compromise.
The operational impact of this vulnerability extends beyond simple unauthorized access, creating a significant risk for organizations managing critical infrastructure through the BigFix platform. Attackers can leverage this weakness to maintain persistence within the environment, potentially accessing sensitive configuration data, monitoring systems, or executing administrative commands through the exposed API endpoints. The prolonged access window increases the likelihood of successful attacks and reduces the effectiveness of incident response efforts, as the attacker's presence may remain undetected for extended periods. This vulnerability particularly impacts organizations that depend on the BigFix IVR platform for security operations, as it undermines the fundamental security principle of least privilege and time-based access control.
Mitigation strategies for CVE-2025-31962 should prioritize immediate implementation of proper session expiration policies, with recommended minimum session timeouts of 15-30 minutes of inactivity. Organizations should configure the authentication system to enforce strict session management controls, including automatic token invalidation upon session timeout, and implement monitoring mechanisms to detect and alert on unusual session behavior patterns. The solution involves configuring the Web UI authentication component to enforce appropriate session duration limits, typically through configuration parameters that control session timeout values and automatic logout mechanisms. Additionally, implementing multi-factor authentication and regular security audits of authentication configurations can help reduce the attack surface and improve overall security posture. Security teams should also consider deploying network monitoring solutions that can detect anomalous API access patterns that may indicate compromised sessions, aligning with ATT&CK technique T1566 for credential access and T1078 for valid accounts. The vulnerability highlights the importance of adhering to security best practices for session management, as outlined in NIST SP 800-162 and OWASP authentication guidelines, which emphasize the critical need for time-based session expiration to prevent unauthorized access persistence.