CVE-2021-1219
📋 TL;DR
CVE-2021-1219 is a vulnerability in Cisco Smart Software Manager Satellite that allows authenticated local attackers to access static credentials stored on the device. This affects organizations using vulnerable versions of Cisco Smart Software Manager Satellite. Attackers could use these credentials to escalate privileges or perform further attacks.
💻 Affected Systems
- Cisco Smart Software Manager Satellite
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access to the Cisco Smart Software Manager Satellite system, potentially compromising the entire software management infrastructure and enabling lateral movement to connected systems.
Likely Case
Local authenticated users or attackers who gain local access extract static credentials, allowing them to perform unauthorized administrative actions within the Smart Software Manager Satellite system.
If Mitigated
With proper access controls and credential rotation, impact is limited to credential exposure without immediate exploitation pathways.
🎯 Exploit Status
Exploitation requires authenticated local access to the device where static credentials are stored.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.1.0 and later
Vendor Advisory: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssm-sc-Jd42D4Tq
Restart Required: Yes
Instructions:
1. Download Cisco Smart Software Manager Satellite version 5.1.0 or later from Cisco Software Center. 2. Follow the upgrade procedure documented in the Cisco Smart Software Manager Satellite Installation and Upgrade Guide. 3. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Restrict Local Access
allLimit physical and logical access to Cisco Smart Software Manager Satellite devices to authorized personnel only.
Credential Rotation
allManually rotate any static credentials that may have been exposed, though this is temporary without patching.
🧯 If You Can't Patch
- Implement strict access controls to limit who can access the Cisco Smart Software Manager Satellite system locally.
- Monitor system logs for unauthorized access attempts and credential extraction activities.
🔍 How to Verify
Check if Vulnerable:
Check the Cisco Smart Software Manager Satellite version via the web interface or CLI. If version is below 5.1.0, the system is vulnerable.Check Version:
From CLI: show version | include VersionVerify Fix Applied:
After upgrading, verify the version is 5.1.0 or higher and check that no unauthorized access has occurred.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access to credential storage files
- Multiple failed authentication attempts followed by successful access
- Unusual administrative actions from non-standard accounts
Network Indicators:
- Unusual outbound connections from the Smart Software Manager Satellite system
SIEM Query:
source="cisco_smart_manager" AND (event_type="credential_access" OR event_type="unauthorized_access")