CVE-2025-2134: IBM Jazz Reporting Service DOS Vulnerability

CVE-2025-2134 Overview

IBM Jazz Reporting Service contains an insufficient resource pooling vulnerability that could allow an authenticated user on the network to affect the system's performance using complicated queries. This denial of service condition arises from improper management of system resources when processing complex report queries.

Critical Impact

Authenticated attackers on an adjacent network can degrade system performance through crafted queries, potentially impacting availability of the Jazz Reporting Service for legitimate users.

Affected Products

• IBM Jazz Reporting Service (specific versions not disclosed in advisory)

Discovery Timeline

• 2026-02-04 - CVE CVE-2025-2134 published to NVD
• 2026-02-05 - Last updated in NVD database

Technical Details for CVE-2025-2134

Vulnerability Analysis

This vulnerability is classified under CWE-410 (Insufficient Resource Pool), indicating that IBM Jazz Reporting Service fails to properly manage its resource allocation when handling query requests. When an authenticated user submits complex or resource-intensive queries, the application does not adequately limit or pool the resources consumed by these operations, leading to potential system performance degradation.

The attack requires the adversary to be on an adjacent network and possess valid authentication credentials. While this limits the attack surface, environments with shared network segments or internal threat actors could exploit this weakness to cause service disruption.

Root Cause

The root cause stems from insufficient resource pooling mechanisms within IBM Jazz Reporting Service. The application lacks adequate controls to manage and limit the computational resources allocated to individual query processing operations. When complex queries are submitted, they can consume disproportionate system resources without proper throttling or pooling constraints.

Attack Vector

The attack is executed from an adjacent network (not remotely over the internet), requiring the attacker to have network proximity to the target system. The attacker must be authenticated to the Jazz Reporting Service, indicating that some level of legitimate access is required before exploitation.

The exploitation involves submitting specially crafted or computationally expensive queries that consume excessive system resources. Due to the insufficient resource pooling, these queries can monopolize available processing capacity, degrading performance for all users of the service.

While no proof-of-concept code is publicly available, the attack methodology involves crafting complex reporting queries that trigger resource-intensive operations. The vulnerability manifests when the system processes these queries without adequate resource management controls. See the IBM Support Page for additional technical details.

Detection Methods for CVE-2025-2134

Indicators of Compromise

• Unusual spikes in CPU or memory utilization on Jazz Reporting Service hosts
• Increased query processing times or service latency
• Multiple complex query submissions from a single authenticated user
• System performance degradation during reporting operations

Detection Strategies

• Monitor Jazz Reporting Service logs for patterns of complex or resource-intensive query submissions
• Implement application performance monitoring to detect abnormal resource consumption patterns
• Track authentication events and correlate with unusual query activity
• Configure alerting for sustained high resource utilization on reporting service infrastructure

Monitoring Recommendations

• Enable detailed logging for query execution within Jazz Reporting Service
• Implement network traffic analysis for adjacent network segments to detect anomalous query patterns
• Deploy endpoint detection solutions to monitor resource utilization thresholds
• Review audit logs for authenticated user activities related to reporting functions

How to Mitigate CVE-2025-2134

Immediate Actions Required

• Apply the security patch from IBM as referenced in the support documentation
• Implement network segmentation to limit adjacent network access to Jazz Reporting Service
• Review and restrict user permissions for query execution capabilities
• Consider implementing query complexity limits or timeouts if configurable

Patch Information

IBM has released security guidance for this vulnerability. Administrators should consult the IBM Support Page for specific patch information and remediation instructions. Apply the recommended updates according to your organization's change management procedures.

Workarounds

• Implement network access controls to restrict which systems can communicate with Jazz Reporting Service
• Review and audit user accounts with access to reporting functions, removing unnecessary privileges
• Configure resource limits at the operating system or container level to prevent complete resource exhaustion
• Implement rate limiting for query submissions where technically feasible

# Example: Network access restriction (adjust for your environment)
# Restrict access to Jazz Reporting Service to trusted hosts only
iptables -A INPUT -p tcp --dport 9443 -s 10.0.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 9443 -j DROP