CVE-2024-8100
📋 TL;DR
This vulnerability allows attackers to use time-bound device onboarding tokens to gain administrative privileges on Arista CloudVision Portal (CVP) on-prem deployments. This affects organizations running vulnerable versions of Arista CVP, potentially enabling complete system compromise.
💻 Affected Systems
- Arista CloudVision Portal (CVP) on-prem
⚠️ 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
Full administrative control over CloudVision Portal, allowing configuration changes, data exfiltration, network manipulation, and potential lateral movement to managed devices.
Likely Case
Unauthorized administrative access leading to configuration tampering, unauthorized device management, and potential data breaches.
If Mitigated
Limited impact with proper network segmentation and monitoring, though privilege escalation remains possible if tokens are obtained.
🎯 Exploit Status
Requires obtaining a valid time-bound onboarding token, but exploitation is straightforward once token is acquired.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Arista advisory for specific fixed versions
Vendor Advisory: https://www.arista.com/en/support/advisories-notices/security-advisory/21316-security-advisory-0116
Restart Required: Yes
Instructions:
1. Review Arista security advisory 2. Download and apply the latest CVP software update 3. Restart CVP services as required 4. Verify the update was successful
🔧 Temporary Workarounds
Restrict Token Access
allLimit access to device onboarding tokens and implement strict token management policies
Network Segmentation
allIsolate CVP management interface from untrusted networks
🧯 If You Can't Patch
- Implement strict access controls to limit who can generate or access onboarding tokens
- Monitor for unusual administrative activity and token usage patterns
🔍 How to Verify
Check if Vulnerable:
Check CVP version against affected versions listed in Arista advisoryCheck Version:
Check CVP web interface or CLI for version informationVerify Fix Applied:
Confirm CVP version is updated to patched release and test token functionality📡 Detection & Monitoring
Log Indicators:
- Unusual token generation events
- Administrative actions from non-admin users
- Multiple failed privilege escalation attempts
Network Indicators:
- Unexpected administrative API calls
- Token-related traffic patterns
SIEM Query:
Search for 'onboarding token' events followed by administrative actions from same source