CVE-2025-44019
📋 TL;DR
AVEVA PI Data Archive products contain an uncaught exception vulnerability that allows authenticated users to crash critical subsystems, causing denial of service. This can result in data loss from snapshots and write caches during crashes. Organizations using affected AVEVA PI Data Archive versions are at risk.
💻 Affected Systems
- AVEVA PI Data Archive
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete shutdown of PI Data Archive subsystems with permanent loss of unsaved snapshot/write cache data, causing extended operational disruption in industrial control systems.
Likely Case
Temporary denial of service affecting data collection and monitoring capabilities, with potential loss of recent operational data.
If Mitigated
Limited service interruption with no data loss if proper access controls and monitoring are in place.
🎯 Exploit Status
Exploitation requires authenticated access but appears straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific fixed versions
Vendor Advisory: https://my.osisoft.com/
Restart Required: Yes
Instructions:
1. Review vendor advisory at my.osisoft.com 2. Download appropriate patch for your version 3. Apply patch following vendor instructions 4. Restart affected PI Data Archive services 5. Verify system functionality
🔧 Temporary Workarounds
Restrict User Access
allLimit authenticated user access to only necessary personnel and implement least privilege principles
Network Segmentation
allIsolate PI Data Archive systems from general corporate networks and implement strict firewall rules
🧯 If You Can't Patch
- Implement strict access controls and monitor for unusual authentication patterns
- Increase logging and monitoring of PI Data Archive subsystem health and restart events
🔍 How to Verify
Check if Vulnerable:
Check PI Data Archive version against vendor advisory; monitor for unexpected subsystem crashes or restartsCheck Version:
Check PI System Management Tools or consult vendor documentation for version verificationVerify Fix Applied:
Verify patch installation through version check and monitor system stability post-patch📡 Detection & Monitoring
Log Indicators:
- Unexpected PI Data Archive subsystem crashes
- Authentication events followed by service disruptions
- Error logs containing uncaught exception messages
Network Indicators:
- Unusual authentication patterns to PI systems
- Sudden loss of data collection traffic
SIEM Query:
source="PI_Archive_Logs" AND (event_type="crash" OR event_type="exception") AND user_authenticated=true