CVE-2025-53471
📋 TL;DR
Emerson ValveLink products contain an input validation vulnerability (CWE-20) that could allow attackers to send malformed data to the system. This affects industrial control systems using Emerson ValveLink software for valve monitoring and control. The vulnerability could lead to denial of service or potentially unauthorized access to valve control functions.
💻 Affected Systems
- Emerson ValveLink products
⚠️ 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 system compromise allowing unauthorized valve manipulation, process disruption, or safety system interference in industrial environments.
Likely Case
Denial of service affecting valve monitoring capabilities or limited unauthorized access to valve status information.
If Mitigated
Minimal impact with proper network segmentation and input validation controls in place.
🎯 Exploit Status
Exploitation requires knowledge of industrial protocols and ValveLink software. No public exploits available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Emerson security notifications for specific patched versions
Vendor Advisory: https://www.emerson.com/en-us/support/security-notifications
Restart Required: Yes
Instructions:
1. Check Emerson security notifications for specific patch details. 2. Download appropriate patch from Emerson software downloads. 3. Apply patch following Emerson's installation instructions. 4. Restart affected systems as required.
🔧 Temporary Workarounds
Network Segmentation
allIsolate ValveLink systems from untrusted networks using firewalls and VLANs
Input Validation Controls
allImplement additional input validation at network perimeter devices
🧯 If You Can't Patch
- Implement strict network access controls to limit connections to ValveLink systems
- Monitor network traffic for unusual patterns or malformed industrial protocol packets
🔍 How to Verify
Check if Vulnerable:
Check Emerson security notifications for affected versions and compare with installed ValveLink software versionCheck Version:
Check ValveLink software version through Emerson software interface or Windows Programs and FeaturesVerify Fix Applied:
Verify patch installation through Emerson software management tools and confirm version matches patched release📡 Detection & Monitoring
Log Indicators:
- Unusual connection attempts to ValveLink services
- Error logs indicating malformed data processing
Network Indicators:
- Unusual industrial protocol traffic patterns
- Connection attempts from unauthorized sources
SIEM Query:
source="valvelink" AND (error OR malformed OR invalid) OR dest_port=502 AND src_ip NOT IN allowed_list