CVE-2025-55275 Overview
HCL Aftermarket DPC is affected by an Admin Session Concurrency vulnerability that enables attackers to exploit concurrent sessions to hijack or impersonate an admin user. This session management flaw allows unauthorized access to administrative functions by abusing the way the application handles multiple simultaneous admin sessions.
Critical Impact
Attackers can exploit concurrent session handling to hijack or impersonate administrative users, potentially gaining full control over the application and its data.
Affected Products
- HCL Aftermarket Cloud version 1.0.0
- HCL Aftermarket DPC
Discovery Timeline
- 2026-03-26 - CVE-2025-55275 published to NVD
- 2026-03-26 - Last updated in NVD database
Technical Details for CVE-2025-55275
Vulnerability Analysis
This vulnerability is classified under CWE-557 (Concurrency Issues), which relates to improper handling of concurrent operations. The HCL Aftermarket DPC application fails to properly manage administrative session states when multiple sessions are active simultaneously. This creates a race condition where an attacker can intercept or duplicate session tokens during the window when concurrent admin sessions exist.
The attack requires network access and some user interaction, but does not require prior authentication. Successful exploitation can result in high impact to both confidentiality and integrity, as the attacker can read sensitive administrative data and make unauthorized changes to the system.
Root Cause
The root cause stems from inadequate session isolation and concurrency controls in the administrative authentication mechanism. The application does not properly invalidate or isolate session tokens when multiple admin sessions are created, allowing session state to be shared or hijacked between concurrent connections.
Attack Vector
The attack is network-based and targets the session management infrastructure of the HCL Aftermarket DPC platform. An attacker monitors for administrative login activity and exploits the window when concurrent sessions are established. By timing their attack during active admin sessions, they can capture or forge session credentials to impersonate legitimate administrators.
The vulnerability can be exploited without direct authentication to the system, though it requires some form of user interaction such as tricking an administrator into accessing a crafted resource or exploiting timing during legitimate admin activity.
Detection Methods for CVE-2025-55275
Indicators of Compromise
- Multiple simultaneous administrative sessions originating from different IP addresses or user agents
- Unusual patterns of administrative session creation and activity
- Session tokens being used from multiple network locations concurrently
- Authentication logs showing overlapping admin login events with anomalous timing
Detection Strategies
- Implement monitoring for concurrent administrative session anomalies in authentication logs
- Deploy behavioral analysis to detect session hijacking patterns such as rapid geographic changes
- Configure alerts for multiple active admin sessions from different source IPs
- Review access logs for administrative actions that occur in rapid succession from different contexts
Monitoring Recommendations
- Enable detailed session logging including IP addresses, user agents, and timestamps
- Monitor for session token reuse across different network endpoints
- Implement real-time alerting on concurrent admin session thresholds
- Regularly audit administrative session patterns for anomalous behavior
How to Mitigate CVE-2025-55275
Immediate Actions Required
- Review the HCL Software Knowledge Base Article for vendor-specific guidance
- Limit administrative sessions to single concurrent instances where possible
- Implement additional authentication factors for administrative access
- Restrict administrative access to trusted network segments or VPN connections
Patch Information
HCL has published a security advisory for this vulnerability. Administrators should consult the official HCL Knowledge Base article (KB0129793) for the latest patch information and remediation guidance. Apply vendor-provided updates as soon as they become available.
Workarounds
- Enforce single-session policies for administrative accounts to prevent concurrent logins
- Implement IP binding for admin sessions to restrict session validity to the originating IP address
- Deploy web application firewall rules to detect and block suspicious session patterns
- Enable session timeout policies with shorter durations for administrative users
- Consider implementing step-up authentication for sensitive administrative operations
# Example: Configure session restrictions (consult vendor documentation for specific settings)
# Limit concurrent admin sessions
MAX_ADMIN_SESSIONS=1
SESSION_TIMEOUT_MINUTES=15
BIND_SESSION_TO_IP=true
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.


