CVE-2025-10225
📋 TL;DR
A memory buffer vulnerability in AxxonSoft Axxon One's OpenSSL session module allows remote attackers to cause application crashes or unpredictable behavior by exploiting memory reallocation errors under high load conditions. This affects Axxon One (C-Werk) 2.0.6 and earlier on Windows systems. Organizations using these vulnerable versions are at risk of service disruption.
💻 Affected Systems
- AxxonSoft Axxon One (C-Werk)
📦 What is this software?
Axxon One by Axxonsoft
⚠️ Risk & Real-World Impact
Worst Case
Complete service outage through application crashes, potentially leading to denial of service for security systems and loss of monitoring capabilities.
Likely Case
Application instability and crashes under targeted high-load attacks, causing intermittent service disruption.
If Mitigated
Limited impact with proper network segmentation and load balancing, though vulnerability remains present.
🎯 Exploit Status
Exploitation requires creating high load conditions to trigger memory reallocation errors. No public exploit code identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.7 or later
Vendor Advisory: https://www.axxonsoft.com/legal/axxonsoft-vulnerability-disclosure-policy/security-advisories
Restart Required: Yes
Instructions:
1. Download Axxon One version 2.0.7 or later from vendor portal. 2. Backup current configuration and data. 3. Run installer to upgrade. 4. Restart all Axxon One services. 5. Verify functionality post-upgrade.
🔧 Temporary Workarounds
Implement Rate Limiting
allConfigure network devices or firewalls to limit connection rates to Axxon One services to prevent high load conditions.
Network Segmentation
allIsolate Axxon One systems from untrusted networks to reduce attack surface.
🧯 If You Can't Patch
- Implement strict network access controls to limit which systems can communicate with Axxon One services
- Deploy monitoring and alerting for unusual traffic patterns or high load conditions
🔍 How to Verify
Check if Vulnerable:
Check Axxon One version in administration interface or via 'axxonone --version' command. Versions 2.0.6 and earlier are vulnerable.Check Version:
axxonone --versionVerify Fix Applied:
Confirm version is 2.0.7 or later and test session handling under simulated load conditions.📡 Detection & Monitoring
Log Indicators:
- Application crash logs
- Memory allocation failure messages
- Session handling errors
- High CPU/memory usage spikes
Network Indicators:
- Unusual high-volume traffic to session endpoints
- Repeated connection attempts
- Traffic patterns indicating load testing
SIEM Query:
source="axxonone" AND (event_type="crash" OR error="memory" OR error="session")