CVE-2025-2402
📋 TL;DR
KNIME Business Hub uses a hard-coded, non-random password for its MinIO object store, allowing unauthenticated remote attackers with the password to read/manipulate job data and cause denial-of-service. All KNIME Business Hub versions except specific patched releases are affected.
💻 Affected Systems
- KNIME Business Hub
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of job data integrity, exposure of sensitive business data, and service disruption through DoS attacks.
Likely Case
Unauthorized access to job data and potential data manipulation by attackers who discover the hard-coded password.
If Mitigated
Limited impact if network segmentation prevents external access, but internal threats remain.
🎯 Exploit Status
Exploitation requires knowledge of the hard-coded password, but once obtained, attack is straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.13.2, 1.12.3, 1.11.3, or 1.10.3
Vendor Advisory: https://www.knime.com/security/advisories#CVE-2025-2402
Restart Required: Yes
Instructions:
1. Download patched version from KNIME. 2. Backup configuration and data. 3. Stop KNIME Business Hub service. 4. Install patched version. 5. Restart service. 6. Verify functionality.
🔧 Temporary Workarounds
Network Isolation
allRestrict network access to KNIME Business Hub and MinIO object store to trusted IPs only
Use firewall rules to block external access to KNIME Business Hub ports
🧯 If You Can't Patch
- Implement strict network segmentation to isolate KNIME Business Hub from untrusted networks
- Monitor MinIO object store access logs for unauthorized connection attempts
🔍 How to Verify
Check if Vulnerable:
Check KNIME Business Hub version; if not 1.13.2+, 1.12.3+, 1.11.3+, or 1.10.3+, system is vulnerableCheck Version:
Check KNIME Business Hub admin interface or configuration files for version informationVerify Fix Applied:
Verify version is updated to patched release and test MinIO access with old credentials fails📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to MinIO object store
- Unusual data manipulation patterns in job logs
Network Indicators:
- Unexpected connections to MinIO ports (default 9000, 9001)
- Large data transfers to object store
SIEM Query:
source="knime_logs" AND (event="unauthorized_access" OR event="minio_auth_failure")