CVE-2025-46422
📋 TL;DR
This CVE describes an OS command injection vulnerability in Dell Unity storage systems. A low-privileged attacker with local access can execute arbitrary commands with root privileges, potentially gaining full control of the system. Affected systems are Dell Unity versions 5.5 and earlier.
💻 Affected Systems
- Dell Unity
- Dell UnityVSA
- Dell Unity XT
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with root-level access, allowing data theft, system destruction, or lateral movement to other systems.
Likely Case
Local privilege escalation leading to unauthorized administrative access and potential data exfiltration.
If Mitigated
Limited impact if proper network segmentation and access controls prevent local attacker access.
🎯 Exploit Status
Exploitation requires local access with low privileges. Command injection vulnerabilities typically have low complexity once the injection point is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 5.6 or later
Restart Required: Yes
Instructions:
1. Review Dell advisory DSA-2025-379. 2. Download and apply the security update for Dell Unity version 5.6 or later. 3. Reboot the system as required by the update process.
🔧 Temporary Workarounds
Restrict Local Access
allLimit local system access to only authorized administrators to reduce attack surface.
Network Segmentation
allIsolate Dell Unity systems on separate network segments with strict access controls.
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized local access to Dell Unity systems.
- Monitor system logs for suspicious command execution and privilege escalation attempts.
🔍 How to Verify
Check if Vulnerable:
Check Dell Unity system version via web interface or CLI. If version is 5.5 or earlier, system is vulnerable.Check Version:
Check via Dell Unity Unisphere web interface or use 'show system version' command in CLI.Verify Fix Applied:
Verify system version is 5.6 or later after applying the security update.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns
- Privilege escalation attempts
- Suspicious process creation by low-privileged users
Network Indicators:
- Unusual outbound connections from Dell Unity system
- Unexpected SSH or remote access attempts
SIEM Query:
source="dell-unity-logs" AND (event_type="command_execution" AND user_privilege="low") OR (event_type="privilege_escalation")