CVE-2025-52579
📋 TL;DR
Emerson ValveLink products store sensitive information like credentials or configuration data in cleartext in memory. This allows attackers to potentially extract this sensitive data if they gain access to memory dumps or crash files. Industrial control system operators using Emerson ValveLink products are affected.
💻 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
Attackers extract administrative credentials or sensitive configuration data, gaining full control of industrial valve systems, potentially causing physical damage, process disruption, or safety incidents.
Likely Case
Attackers with existing access extract credentials to move laterally within the control system network, escalating privileges and compromising additional systems.
If Mitigated
With proper network segmentation and access controls, attackers cannot reach the vulnerable systems, limiting exposure to already-compromised segments.
🎯 Exploit Status
Requires access to memory dumps or crash files, typically needing some level of system access first.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Emerson security notifications for specific version
Vendor Advisory: https://www.emerson.com/en-us/support/security-notifications
Restart Required: Yes
Instructions:
1. Check Emerson security advisory for affected versions. 2. Download patched software from Emerson support portal. 3. Apply patch following Emerson installation instructions. 4. Restart affected systems.
🔧 Temporary Workarounds
Disable core dumps
allPrevent creation of memory dumps that could contain sensitive data
Windows: Configure system to not create crash dumps
Linux: ulimit -c 0
Restrict access to memory
allLimit who can access memory and crash dump files
Windows: Set strict file permissions on dump directories
Linux: chmod 700 /var/crash
🧯 If You Can't Patch
- Implement strict network segmentation to isolate ValveLink systems
- Monitor for unauthorized access attempts and memory dump creation
🔍 How to Verify
Check if Vulnerable:
Check Emerson security advisory for affected versions and compare with installed versionCheck Version:
Check within ValveLink software interface or Emerson diagnostic toolsVerify Fix Applied:
Verify installed version matches patched version from Emerson advisory📡 Detection & Monitoring
Log Indicators:
- Unauthorized access to memory dump files
- Unexpected process crashes generating dumps
Network Indicators:
- Unusual network traffic to/from ValveLink systems
- Attempts to transfer large dump files
SIEM Query:
source="valvelink" AND (event="crash" OR event="dump_created")