Description

HCL IntelliOps Event Management (IEM) is affected by an Admin Session Concurrency Vulnerability. it may allows user sessions to remain active after logout or session deletion.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "3.1",
  "pubDate": "2026-08-27T17:17:05.707Z",
  "pubdate": "2026-08-27T17:17:05.707Z",
  "executiveSummary": "HCL IntelliOps Event Management (IEM) suffers from an Admin Session Concurrency Vulnerability regarding improper session termination.\nThe vulnerability involves a failure in the application's session management logic, specifically failing to invalidate server-side authentication tokens or session identifiers upon user-initiated logout or administrative session deletion.\nThis flaw allows unauthorized access to a previously active session, effectively bypassing the authentication process for a specific user identity.\nThe impact is significant, as an attacker or a malicious actor who gains access to a hijacked session can inherit the privileges of the associated administrative user, leading to unauthorized configuration changes, data access, or system disruption.\nExploitation requires no additional specialized software if the attacker can intercept or gain access to a valid, persistent session token that the server has failed to revoke.\nThe risk implication is high, as it invalidates the fundamental assumption of session lifecycle security, potentially exposing administrative interfaces to unauthorized prolonged usage.",
  "technicalDetails": "The vulnerability resides within the session management subsystem of HCL IntelliOps Event Management (IEM). It is categorized as an improper session termination flaw, likely stemming from a failure to synchronize state changes between the client-side session cookie and the server-side session registry.\nRoot Cause: The application backend does not correctly enforce the invalidation of session identifiers (SIDs) stored in the server-side cache or database upon receipt of a logout request. When a user clicks 'logout' or an administrator terminates a session, the server-side session remains in an 'active' state despite the client-side interaction suggesting a successful termination.\nAttack Flow: 1. A legitimate user logs into the HCL IntelliOps IEM interface. 2. A session token is issued and stored in the backend repository. 3. The user performs a logout action, or an administrator attempts to force-delete the user session. 4. The server interface displays a logout confirmation to the user, yet fails to clear or destroy the associated token entry in the backend storage. 5. An attacker who has previously captured or reconstructed the session identifier can inject this token into their browser headers (e.g., via Cookie manipulation). 6. Because the server-side session repository still recognizes the token as valid, the application grants the attacker access to the administrative session without re-authentication.\nExploitation Requirements: Successful exploitation relies on the persistence of the session token. If the session identifier is transmitted over unencrypted protocols or stored insecurely on the client machine, it becomes a target for theft. Furthermore, the absence of short-lived tokens or secondary validation checks during subsequent requests allows the 'zombie' session to function indefinitely until the server-side session timeout is reached, which may be set to a long duration by default.\nImpact: Post-exploitation allows the unauthorized entity to assume full control of the administrative session. This provides the attacker with the ability to manage system configurations, modify event management logic, or view sensitive operational data stored within HCL IntelliOps IEM. Because the action occurs under the context of an existing, 'authenticated' session, these malicious activities may bypass standard logging mechanisms that monitor for new login events."
}