CVE-2024-48828
📋 TL;DR
Dell SmartFabric OS10 Software contains an improper privilege management vulnerability (CWE-269) where a low-privileged attacker with local access could gain unauthorized access. This affects versions 10.5.4.x, 10.5.5.x, 10.5.6.x, and 10.6.0.x. Organizations using these Dell networking switches are vulnerable.
💻 Affected Systems
- Dell SmartFabric OS10 Software
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attacker escalates privileges to administrative level, gaining full control of the network switch to modify configurations, intercept traffic, or disrupt network operations.
Likely Case
Local attacker gains unauthorized access to sensitive configuration data or performs limited unauthorized actions within the switch environment.
If Mitigated
With proper network segmentation and access controls, impact is limited to isolated network segments with minimal data exposure.
🎯 Exploit Status
Requires low-privileged local access. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to versions specified in Dell advisories DSA-2025-068 through DSA-2025-079
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000289970/dsa-2025-070-security-update-for-dell-networking-os10-vulnerabilities
Restart Required: Yes
Instructions:
1. Review Dell advisories DSA-2025-068 through DSA-2025-079. 2. Download appropriate firmware updates from Dell Support. 3. Apply updates following Dell's documented procedures. 4. Reboot switches as required.
🔧 Temporary Workarounds
Restrict Local Access
allLimit physical and logical access to switch management interfaces to authorized personnel only
Implement Network Segmentation
allIsolate management interfaces from general user networks
🧯 If You Can't Patch
- Implement strict access controls to limit who can access switch management interfaces
- Monitor switch logs for unauthorized access attempts and privilege escalation activities
🔍 How to Verify
Check if Vulnerable:
Check OS10 version using 'show version' command and compare against affected versionsCheck Version:
show versionVerify Fix Applied:
After patching, verify version is no longer in affected range using 'show version' command📡 Detection & Monitoring
Log Indicators:
- Unauthorized privilege escalation attempts
- Unexpected user privilege changes
- Access from unauthorized accounts
Network Indicators:
- Unusual management interface access patterns
- Traffic from unexpected sources to switch management ports
SIEM Query:
source="dell_os10" AND (event_type="privilege_escalation" OR user_change="*" OR auth_failure="*")🔗 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
