CVE-2026-0485 Overview
SAP BusinessObjects BI Platform contains a denial of service vulnerability that allows an unauthenticated attacker to send specially crafted requests that could cause the Content Management Server (CMS) to crash and automatically restart. By repeatedly submitting these requests, the attacker could induce a persistent service disruption, rendering the CMS completely unavailable. Successful exploitation results in a high impact on availability, while confidentiality and integrity remain unaffected.
Critical Impact
Unauthenticated attackers can cause persistent denial of service by crashing the Content Management Server through specially crafted network requests, completely disrupting business intelligence operations.
Affected Products
- SAP BusinessObjects BI Platform (Content Management Server component)
- SAP BusinessObjects BI Platform CMS service
Discovery Timeline
- February 10, 2026 - CVE-2026-0485 published to NVD
- February 10, 2026 - Last updated in NVD database
Technical Details for CVE-2026-0485
Vulnerability Analysis
This vulnerability is classified under CWE-405 (Asymmetric Resource Consumption - Amplification), indicating a resource exhaustion condition where the attacker can trigger disproportionate resource consumption on the target system. The Content Management Server (CMS) in SAP BusinessObjects BI Platform fails to properly handle certain malformed or specially crafted requests, leading to a crash condition.
The attack is particularly concerning because no authentication is required to exploit it. An attacker with network access to the CMS service can repeatedly send malicious requests, causing continuous crashes and restarts. This creates a persistent denial of service condition that can completely disable business intelligence reporting capabilities for an organization.
Root Cause
The root cause is improper handling of input in the CMS request processing logic. When the server receives specially crafted requests, it fails to properly validate or sanitize the input before processing, leading to an unhandled exception or resource exhaustion that causes the service to crash. The CWE-405 classification suggests that minimal attacker effort produces amplified impact on server resources.
Attack Vector
The attack vector is network-based and requires no authentication or user interaction. An attacker simply needs network connectivity to the SAP BusinessObjects CMS service to exploit this vulnerability. The attack can be automated to continuously send malicious requests, ensuring the service remains unavailable even after automatic restart attempts.
The exploitation mechanism involves sending malformed requests to the CMS endpoint. When the server processes these requests, it encounters an unhandled condition that triggers a crash. Because the service is configured for automatic restart, the attacker can maintain persistent unavailability by timing additional malicious requests to coincide with service recovery.
Detection Methods for CVE-2026-0485
Indicators of Compromise
- Repeated CMS service crash events in SAP BusinessObjects logs
- Unusual volume of malformed requests targeting CMS endpoints
- Abnormal service restart patterns indicating potential DoS attack in progress
- Network traffic anomalies showing repeated connection attempts to CMS ports
Detection Strategies
- Monitor SAP BusinessObjects CMS logs for crash dumps and unexpected service terminations
- Implement network traffic analysis to detect patterns of malformed requests targeting CMS services
- Configure alerting for CMS service restart frequency exceeding normal thresholds
- Deploy intrusion detection rules for suspicious request patterns targeting SAP BI Platform
Monitoring Recommendations
- Enable detailed logging on SAP BusinessObjects CMS to capture request details before crashes
- Set up real-time monitoring of CMS service health and automatic restart events
- Configure SIEM correlation rules to detect DoS attack patterns against SAP infrastructure
- Monitor network traffic for high-volume connection attempts from single sources to CMS ports
How to Mitigate CVE-2026-0485
Immediate Actions Required
- Apply the security patch referenced in SAP Note #3678282 immediately
- Implement network segmentation to restrict CMS access to trusted networks only
- Deploy rate limiting on network devices in front of SAP BusinessObjects servers
- Consider temporary IP allowlisting for CMS access while patch deployment is in progress
Patch Information
SAP has released a security patch addressing this vulnerability. Organizations should reference SAP Note #3678282 for detailed patch information and installation instructions. Additional security patch information is available through the SAP Security Patch Day portal.
Workarounds
- Restrict network access to the CMS service using firewall rules to limit exposure to trusted IP ranges only
- Implement a web application firewall (WAF) or reverse proxy with request filtering capabilities in front of the CMS
- Configure network-level rate limiting to prevent high-volume request attacks against CMS endpoints
- Monitor for attack patterns and implement temporary IP blocking for sources of malicious traffic
# Example: Network-level access restriction for CMS service
# Restrict CMS port access to internal networks only (adjust IPs as needed)
iptables -A INPUT -p tcp --dport 6400 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 6400 -s 192.168.0.0/16 -j ACCEPT
iptables -A INPUT -p tcp --dport 6400 -j DROP
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
