CVE-2024-42209 in Connections
Summary
by MITRE • 07/17/2025
HCL Connections is vulnerable to an information disclosure vulnerability that could allow a user to obtain sensitive information they are not entitled to, which is caused by improper handling of request data.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 10/29/2025
The vulnerability identified as CVE-2024-42209 affects HCL Connections, a collaborative software platform that provides enterprise social networking capabilities. This information disclosure vulnerability represents a significant security weakness that undermines the system's access control mechanisms and data protection protocols. The flaw manifests when the application fails to properly validate and sanitize incoming request data, creating opportunities for unauthorized information access that could compromise sensitive organizational data.
The technical root cause of this vulnerability lies in the improper handling of request data within the HCL Connections framework. When user requests are processed, the system does not adequately validate input parameters or enforce proper authorization checks before returning requested information. This weakness allows attackers to manipulate request parameters in ways that bypass normal access controls, potentially enabling them to retrieve data belonging to other users or system components they should not have access to. The vulnerability falls under the CWE-20 category of "Improper Input Validation" and represents a classic example of insufficient access control implementation that violates fundamental security principles.
The operational impact of this vulnerability extends beyond simple data exposure, potentially enabling more sophisticated attacks that could lead to privilege escalation or lateral movement within the affected environment. An attacker exploiting this vulnerability could gain access to confidential user information, system configurations, or business-critical data that should remain protected. The implications are particularly concerning in enterprise environments where HCL Connections typically serves as a central collaboration platform housing sensitive corporate information, intellectual property, and personal data. This weakness could enable adversaries to conduct reconnaissance activities, gather intelligence for further attacks, or directly compromise the confidentiality of organizational data assets.
Organizations utilizing HCL Connections should prioritize immediate remediation through official patches provided by the vendor, as the vulnerability represents a clear threat to data integrity and confidentiality. Security teams should implement network monitoring to detect anomalous access patterns that might indicate exploitation attempts, while also reviewing existing access controls and implementing additional validation mechanisms. The ATT&CK framework categorizes this type of vulnerability under T1071.004 for Application Layer Protocol: DNS and T1566 for Phishing, as attackers might use information disclosure to gather intelligence for more targeted attacks. Organizations should also consider implementing web application firewalls to help detect and block malicious request patterns, while conducting thorough security assessments to identify similar weaknesses in related applications and systems within their infrastructure.