CVE-2022-24316
📋 TL;DR
This vulnerability in Schneider Electric's Interactive Graphical SCADA System Data Server allows attackers to expose sensitive information by sending specially crafted messages. It affects versions V15.0.0.22020 and earlier, potentially compromising industrial control systems. Organizations using these SCADA systems for critical infrastructure are at risk.
💻 Affected Systems
- Interactive Graphical SCADA System Data Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could extract sensitive configuration data, credentials, or operational information from SCADA systems, potentially enabling further attacks on industrial control networks.
Likely Case
Information disclosure of system data, configuration details, or potentially credentials that could be used for reconnaissance or lateral movement.
If Mitigated
Limited to no impact if systems are properly segmented, monitored, and patched with appropriate network controls in place.
🎯 Exploit Status
Exploitation requires sending specially crafted messages to the vulnerable component; no authentication needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: V15.0.0.22021 or later
Vendor Advisory: https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01
Restart Required: Yes
Instructions:
1. Download the patch from Schneider Electric's security advisory. 2. Apply the patch to affected Data Server installations. 3. Restart the Data Server service. 4. Verify the update was successful.
🔧 Temporary Workarounds
Network Segmentation
allIsolate SCADA systems from untrusted networks using firewalls and network segmentation.
Access Control
allRestrict network access to the Data Server to only authorized systems and users.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate SCADA systems from other networks
- Deploy intrusion detection systems to monitor for suspicious traffic patterns
🔍 How to Verify
Check if Vulnerable:
Check the Data Server version in the application interface or installation directory; versions V15.0.0.22020 and earlier are vulnerable.
Check Version:
Check the application version in the SCADA Data Server interface or installation properties.
Verify Fix Applied:
Verify the Data Server version is V15.0.0.22021 or later after applying the patch.
📡 Detection & Monitoring
Log Indicators:
- Unusual message patterns or errors in Data Server logs
- Failed connection attempts to the Data Server
Network Indicators:
- Unusual traffic patterns to the Data Server port
- Suspicious message payloads to the SCADA system
SIEM Query:
source="scada_server" AND (event_type="error" OR message_size>threshold)