CVE-2024-57964

7.3 HIGH

📋 TL;DR

This vulnerability allows local attackers to exploit insecure DLL loading in HVAC Energy Saving Program, potentially leading to information disclosure or arbitrary code execution. It affects systems running this specific energy management software, requiring local access to the target machine.

💻 Affected Systems

Products:
  • HVAC Energy Saving Program
Versions: All versions prior to patch
Operating Systems: Windows systems running the software
Default Config Vulnerable: ⚠️ Yes
Notes: Requires local access to the system where the software is installed.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Local privilege escalation leading to full system compromise, data theft, and persistent backdoor installation.

🟠

Likely Case

Local user gains elevated privileges to access sensitive HVAC system data or disrupt energy management operations.

🟢

If Mitigated

Limited impact due to proper access controls and monitoring preventing DLL hijacking attempts.

🌐 Internet-Facing: LOW - Requires local access to the system, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Internal users with local access could exploit this for privilege escalation or data access.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires local access and ability to place malicious DLL in search path. No public exploit code available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor advisory for specific patched version

Vendor Advisory: https://www.hitachi.com/hirt/hitachi-sec/2025/001.html

Restart Required: No

Instructions:

1. Review vendor advisory at provided URL. 2. Download and apply the latest patch from Hitachi. 3. Verify patch installation and restart if required.

🔧 Temporary Workarounds

Restrict DLL search path

windows

Configure Windows to use SafeDllSearchMode and restrict DLL loading to trusted directories

reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager" /v SafeDllSearchMode /t REG_DWORD /d 1 /f

Remove unnecessary local user access

all

Limit local user accounts on systems running the HVAC software

🧯 If You Can't Patch

  • Implement strict access controls to limit local user access to affected systems
  • Monitor for suspicious DLL loading events and file creation in application directories

🔍 How to Verify

Check if Vulnerable:

Check if HVAC Energy Saving Program is installed and running on the system

Check Version:

Check program properties or vendor documentation for version information

Verify Fix Applied:

Verify software version matches patched version from vendor advisory

📡 Detection & Monitoring

Log Indicators:

  • Windows Event Logs showing DLL loading from unexpected locations
  • Application logs showing abnormal behavior

Network Indicators:

  • Not applicable - local exploitation only

SIEM Query:

EventID=7 OR EventID=11 where Image contains "HVAC" AND TargetImage contains ".dll"

🔗 References

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