CVE-2024-49561
📋 TL;DR
Dell SmartFabric OS10 Software contains an incorrect privilege assignment vulnerability (CWE-266) that allows local low-privileged attackers to elevate their privileges. This affects versions 10.5.4.x, 10.5.5.x, 10.5.6.x, and 10.6.0.x. Attackers with local access to affected systems could gain higher privileges than intended.
💻 Affected Systems
- Dell SmartFabric OS10 Software
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise where attacker gains administrative/root access, enabling data theft, network manipulation, persistence installation, and lateral movement.
Likely Case
Local privilege escalation allowing attacker to bypass security controls, access sensitive configuration data, and modify network settings.
If Mitigated
Limited impact if proper network segmentation, access controls, and monitoring prevent unauthorized local access to affected devices.
🎯 Exploit Status
Requires local access and low-privileged credentials. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to versions specified in Dell advisories DSA-2025-070, DSA-2025-069, DSA-2025-079, DSA-2025-068
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000289970/dsa-2025-070-security-update-for-dell-networking-os10-vulnerabilities
Restart Required: No
Instructions:
1. Review Dell advisories for specific fixed versions. 2. Download appropriate firmware updates from Dell support. 3. Apply updates following Dell's documented upgrade procedures. 4. Verify successful update and functionality.
🔧 Temporary Workarounds
Restrict Local Access
allLimit local access to affected devices to authorized administrators only using network segmentation and access controls.
Implement Least Privilege
allEnsure all user accounts have minimum necessary privileges and regularly audit account permissions.
🧯 If You Can't Patch
- Implement strict access controls to limit who can access affected devices locally
- Enable comprehensive logging and monitoring for privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check OS version with 'show version' command. If version matches affected range (10.5.4.x, 10.5.5.x, 10.5.6.x, 10.6.0.x), system is vulnerable.Check Version:
show versionVerify Fix Applied:
After update, run 'show version' to confirm version is updated to patched release specified in Dell advisories.📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation attempts
- Multiple failed privilege change attempts
- Unexpected user privilege modifications
Network Indicators:
- Unusual administrative access patterns to network devices
- Anomalous configuration changes
SIEM Query:
Search for events where user privilege levels change unexpectedly on Dell OS10 devices, particularly from low to high privilege accounts.🔗 References
- https://www.dell.com/support/kbdoc/en-us/000289970/dsa-2025-070-security-update-for-dell-networking-os10-vulnerabilities
- https://www.dell.com/support/kbdoc/en-us/000293638/dsa-2025-069-security-update-for-dell-networking-os10-vulnerabilities
- https://www.dell.com/support/kbdoc/en-us/000294091/dsa-2025-079-security-update-for-dell-networking-os10-vulnerabilities
- https://www.dell.com/support/kbdoc/en-us/000295014/dsa-2025-068-security-update-for-dell-networking-os10-vulnerabilities
