CVE-2024-31412
📋 TL;DR
An out-of-bounds read vulnerability in CX-Programmer (part of CX-One) allows attackers to craft malicious project files that, when opened, can crash the software or potentially disclose sensitive information. This affects users of CX-Programmer version 9.81 or lower. The vulnerability requires user interaction to open a malicious file.
💻 Affected Systems
- CX-Programmer (included in CX-One CXONE-AL[][]D-V4)
⚠️ 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
Information disclosure of sensitive data from application memory or system crash leading to denial of service in industrial control environments.
Likely Case
Application crash (denial of service) when opening malicious project files, disrupting programming workflows.
If Mitigated
Limited impact if users only open trusted project files from verified sources.
🎯 Exploit Status
Exploitation requires user interaction to open malicious project file. No authentication bypass needed as file opening is standard functionality.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to version newer than 9.81 (check vendor advisory for exact fixed version)
Vendor Advisory: https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2024-003_en.pdf
Restart Required: Yes
Instructions:
1. Download latest CX-Programmer/CX-One version from Omron website
2. Install update following vendor instructions
3. Restart system after installation
4. Verify version is above 9.81
🔧 Temporary Workarounds
Restrict project file sources
allOnly open project files from trusted, verified sources. Implement file validation procedures.
User awareness training
allTrain users to avoid opening unexpected project files, especially from untrusted sources.
🧯 If You Can't Patch
- Implement strict access controls on project files and network shares
- Use application whitelisting to restrict execution of vulnerable versions
🔍 How to Verify
Check if Vulnerable:
Check CX-Programmer version in Help > About. If version is 9.81 or lower, system is vulnerable.Check Version:
Check via CX-Programmer GUI: Help > About (no CLI command available)Verify Fix Applied:
Verify version is above 9.81 in Help > About. Test opening known-good project files to ensure functionality.📡 Detection & Monitoring
Log Indicators:
- Application crash logs from CX-Programmer
- Unexpected file access to project files from unusual sources
Network Indicators:
- Unusual downloads of project files from external sources
- Internal transfer of project files to multiple users
SIEM Query:
Application: 'CX-Programmer' AND (Event: 'Crash' OR 'Access Violation')