CVE-2024-52359: IBM Concert Auth Bypass Vulnerability

CVE-2024-52359 Overview

CVE-2024-52359 is an improper access control vulnerability in IBM Concert Software versions 1.0.0, 1.0.1, 1.0.2, and 1.0.2.1. An authenticated user can perform actions reserved for administrators due to insufficient authorization enforcement [CWE-286]. The flaw enables vertical privilege escalation over the network with low attack complexity. Successful exploitation compromises confidentiality, integrity, and availability of the affected instance. IBM has published a security advisory acknowledging the issue and providing remediation guidance.

Critical Impact
Authenticated low-privileged users can escalate to administrator-level operations, gaining full control over IBM Concert Software functions and data.

Affected Products

IBM Concert Software 1.0.0
IBM Concert Software 1.0.1
IBM Concert Software 1.0.2 and 1.0.2.1

Discovery Timeline

2024-11-19 - CVE-2024-52359 published to the National Vulnerability Database (NVD)
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-52359

Vulnerability Analysis

The vulnerability resides in the authorization layer of IBM Concert Software. The application authenticates users but fails to consistently validate whether the requesting principal holds the administrative role required for privileged operations. As a result, functions intended only for administrators are reachable by any authenticated account. This allows a standard user to perform configuration changes, access sensitive resources, or trigger operations that impact platform integrity and availability.

Root Cause

The root cause is incorrect enforcement of authorization checks, cataloged as [CWE-286] Incorrect User Management. Certain administrative endpoints or actions rely on the presence of a valid session rather than on explicit role or permission verification. The application trusts client-side context or omits server-side role checks entirely on privileged code paths.

Attack Vector

Exploitation requires network access to the IBM Concert Software interface and valid user credentials with low privileges. No user interaction is required. An attacker authenticates as a standard user, then issues requests to administrator-only endpoints. Because the server does not enforce role separation on those paths, the requests succeed and yield privileged results. See the IBM Support Page for vendor details.

No verified public proof-of-concept code is available for this vulnerability. The exploitation pattern involves sending crafted HTTP requests to administrative API endpoints using a low-privileged session token, bypassing role checks that should return an authorization error.

Detection Methods for CVE-2024-52359

Indicators of Compromise

Unexpected administrative actions in IBM Concert Software audit logs originating from non-administrator accounts.
HTTP requests to administrator-only endpoints from user sessions that lack an administrator role assignment.
Configuration changes, user role modifications, or policy updates performed outside expected change-management windows.

Detection Strategies

Baseline the expected set of accounts authorized to invoke administrative APIs, then alert on deviations from that baseline.
Correlate authentication events with subsequent privileged action requests to identify horizontal-to-vertical escalation patterns.
Review IBM Concert Software audit records for privileged operations attributed to accounts without administrator entitlements.

Monitoring Recommendations

Forward IBM Concert Software application and audit logs to a centralized SIEM for continuous analysis and retention.
Enable alerts on privilege changes, role assignments, and access to administrative endpoints within the platform.
Monitor network traffic to IBM Concert Software management URLs and flag repeated requests from unprivileged sessions.

How to Mitigate CVE-2024-52359

Immediate Actions Required

Apply the fix documented in the IBM Support Page for CVE-2024-52359.
Inventory all IBM Concert Software deployments running versions 1.0.0 through 1.0.2.1 and prioritize them for patching.
Rotate credentials for user accounts on affected instances and review recent administrative activity for signs of abuse.
Restrict network access to the IBM Concert Software management interface to trusted administrative networks.

Patch Information

IBM has published remediation guidance in advisory node 7176346. Administrators should upgrade IBM Concert Software to the fixed release identified in the IBM Support Page. Confirm the patch level after installation and validate that role-based access checks are enforced on administrative endpoints.

Workarounds

Limit user account creation and reduce the number of authenticated users on unpatched instances until the update is applied.
Place the IBM Concert Software interface behind a reverse proxy or WAF that enforces IP allow-listing for administrative paths.
Increase log verbosity on the application to capture all privileged operations for post-event review while remediation is pending.

bash

# Example: restrict access to IBM Concert admin paths at the reverse proxy layer
# nginx configuration snippet
location /admin/ {
    allow 10.0.0.0/24;      # trusted admin subnet
    deny  all;
    proxy_pass http://ibm-concert-backend;
}