CVE-2025-62340: HCL iControl Session Timeout Vulnerability

CVE-2025-62340 Overview

CVE-2025-62340 is an inadequate session timeout vulnerability [CWE-613] affecting HCL iControl. The web application does not automatically terminate user sessions after a period of inactivity. Authenticated session tokens remain valid longer than necessary, expanding the window in which an attacker can reuse a captured or abandoned session.

The issue requires network access and low-privileged authentication to exploit. Successful exploitation results in limited confidentiality impact only, with no direct effect on integrity or availability.

Critical Impact
An attacker who obtains a valid session identifier from an unattended workstation, shared device, or intercepted traffic can access HCL iControl functions on behalf of the legitimate user until manual logout.

Affected Products

HCL iControl (specific affected versions listed in the vendor advisory)
Web-facing iControl administrative interfaces
Deployments relying on default session lifetime configuration

Discovery Timeline

2026-06-17 - CVE-2025-62340 published to the National Vulnerability Database (NVD)
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-62340

Vulnerability Analysis

The vulnerability resides in HCL iControl session management. The application fails to invalidate authenticated sessions after a reasonable period of user inactivity. Session identifiers that should expire continue to authorize requests against the application.

This weakness maps to [CWE-613] Insufficient Session Expiration. Web applications rely on bounded session lifetimes to limit the value of stolen credentials. When the server does not enforce an idle timeout, captured session tokens remain authoritative beyond the user's active workflow.

Exploitation requires the attacker to obtain a valid session identifier. Typical paths include physical access to an unattended browser, recovery of session artifacts from shared hosts, or interception in environments without strict transport protections. The attack complexity is high because the attacker must combine session acquisition with the absence of user-initiated logout.

Root Cause

The root cause is missing or excessively long server-side session expiration logic in HCL iControl. The application does not enforce an idle timeout that invalidates session state after inactivity. Session lifetime is governed by token presence rather than by user activity windows.

Attack Vector

The attack vector is network-based. An attacker with a captured session cookie or token issues authenticated requests to the iControl web interface. Because the session has not been invalidated, the server processes those requests as the original user, exposing data accessible to that account.

No verified public exploit code is available for CVE-2025-62340. For technical specifics consult the HCL Software Knowledge Base Article.

Detection Methods for CVE-2025-62340

Indicators of Compromise

Authenticated iControl requests originating from IP addresses or user agents that differ from the original login session
Session identifiers reused across long time gaps without intervening reauthentication events
Activity on user accounts outside of expected business hours or working windows
Absence of logout events preceding sensitive operations within iControl

Detection Strategies

Correlate iControl authentication logs with subsequent activity to identify sessions active beyond reasonable idle thresholds
Alert on the same session token presented from multiple source IPs or geolocations
Baseline normal session durations per user role and flag outliers that significantly exceed the baseline

Monitoring Recommendations

Forward iControl web server and application logs to a centralized logging or SIEM platform for retention and correlation
Monitor reverse proxy and load balancer logs for long-lived session cookies tied to inactive users
Track failed and successful logout events, and investigate accounts that rarely or never log out

How to Mitigate CVE-2025-62340

Immediate Actions Required

Review the HCL Software Knowledge Base Article and apply the vendor-provided fix or configuration guidance
Reduce the configured session idle timeout in iControl to a value consistent with organizational policy
Force logout of all currently active iControl sessions after applying mitigations
Require reauthentication for sensitive administrative actions within the application

Patch Information

HCL has published remediation guidance in the vendor knowledge base. Refer to the HCL Software Knowledge Base Article for the authoritative list of fixed versions, configuration parameters, and upgrade instructions.

Workarounds

Place iControl behind a reverse proxy or web application firewall that enforces session idle timeouts independently of the application
Configure shorter cookie lifetimes and require the Secure and HttpOnly flags on session cookies
Train users to explicitly log out and lock workstations to limit exposure of unattended sessions
Restrict iControl access to trusted networks or via VPN to reduce the attacker population able to reach the session endpoint

bash

# Configuration example - enforce shorter session timeout at the reverse proxy layer
# Refer to vendor documentation before applying in production
location /icontrol/ {
    proxy_pass https://icontrol-backend;
    proxy_read_timeout 900s;
    proxy_cookie_path / "/; HttpOnly; Secure; SameSite=Strict";
}