CVE-2026-22277
📋 TL;DR
This OS command injection vulnerability in Dell UnityVSA allows low-privileged local attackers to execute arbitrary commands with root privileges. It affects Dell UnityVSA version 5.4 and earlier. Attackers could gain complete control of affected systems.
💻 Affected Systems
- Dell UnityVSA
⚠️ 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 with root access, data exfiltration, ransomware deployment, or use as pivot point in network attacks.
Likely Case
Local privilege escalation leading to unauthorized administrative access, configuration changes, or data access.
If Mitigated
Limited impact if proper network segmentation, least privilege, and monitoring are implemented.
🎯 Exploit Status
Requires local access with some privileges. OS command injection vulnerabilities typically have straightforward exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 5.4 (check Dell advisory for specific version)
Restart Required: Yes
Instructions:
1. Review Dell advisory DSA-2026-054. 2. Download appropriate patch from Dell support. 3. Apply patch following Dell's update procedures. 4. Restart system as required.
🔧 Temporary Workarounds
Restrict local access
linuxLimit local console and SSH access to trusted administrators only.
Implement least privilege
allReduce number of local user accounts and minimize privileges.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate UnityVSA systems
- Enhance monitoring for privilege escalation attempts and unusual command execution
🔍 How to Verify
Check if Vulnerable:
Check UnityVSA version via web interface or SSH: 'show version' or similar commandCheck Version:
Connect to UnityVSA management interface and check system versionVerify Fix Applied:
Verify version is updated beyond 5.4 and check Dell patch installation logs📡 Detection & Monitoring
Log Indicators:
- Unusual command execution by low-privileged users
- Privilege escalation attempts
- Suspicious process creation
Network Indicators:
- Unusual outbound connections from UnityVSA system
SIEM Query:
source="unityvsa" AND (event_type="command_execution" OR user_privilege_change)