CVE-2024-11186
📋 TL;DR
This vulnerability allows authenticated users with limited permissions in Arista CloudVision Portal to perform unauthorized actions on managed EOS devices beyond their intended access. It affects on-premise deployments of CloudVision Portal, but not the cloud-based CloudVision as-a-Service offering.
💻 Affected Systems
- Arista CloudVision Portal
⚠️ 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
A malicious authenticated user could gain administrative control over all managed network devices, potentially disrupting network operations, exfiltrating sensitive data, or deploying persistent backdoors.
Likely Case
Privilege escalation allowing users to modify device configurations, access unauthorized data, or disrupt network services they shouldn't have access to.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and monitoring are already implemented.
🎯 Exploit Status
Requires authenticated access but minimal technical skill to exploit once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific fixed versions
Vendor Advisory: https://www.arista.com/en/support/advisories-notices/security-advisory/21314-security-advisory-0114
Restart Required: Yes
Instructions:
1. Review vendor advisory for affected versions. 2. Download and apply the latest CloudVision Portal update. 3. Restart CloudVision Portal services. 4. Verify the update was successful.
🔧 Temporary Workarounds
Restrict User Access
allImplement strict least privilege access controls and review all user permissions
Network Segmentation
allIsolate CloudVision Portal management network from production networks
🧯 If You Can't Patch
- Implement strict network segmentation to isolate CloudVision Portal from critical infrastructure
- Enforce multi-factor authentication and review all user access logs for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check CloudVision Portal version against vendor advisory for affected versionsCheck Version:
Check CloudVision Portal web interface or CLI for version informationVerify Fix Applied:
Verify CloudVision Portal is running a version later than those listed in the vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unauthorized configuration changes
- User performing actions outside their role
- Multiple failed authentication attempts followed by successful privileged actions
Network Indicators:
- Unexpected configuration changes to managed devices
- Unusual API calls from CloudVision Portal to devices
SIEM Query:
source="cloudvision" AND (action="modify" OR action="delete" OR action="create") AND user.role!="admin"