CVE-2025-0505
📋 TL;DR
This vulnerability allows attackers to exploit Zero Touch Provisioning on Arista CloudVision systems to gain administrative privileges with excessive permissions. This enables querying or manipulating the state of managed devices. Only on-premise CloudVision deployments (virtual or physical) are affected; CloudVision as-a-Service is not vulnerable.
💻 Affected Systems
- Arista CloudVision
⚠️ 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 compromise of CloudVision system allowing attackers to reconfigure, disable, or manipulate all managed network devices, potentially causing widespread network outages or data exfiltration.
Likely Case
Unauthorized administrative access to CloudVision leading to unauthorized configuration changes, device manipulation, or data extraction from managed devices.
If Mitigated
Limited impact if proper network segmentation and access controls prevent unauthorized access to Zero Touch Provisioning interfaces.
🎯 Exploit Status
Exploitation requires access to Zero Touch Provisioning functionality but appears straightforward based on advisory description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Arista advisory for specific fixed versions
Vendor Advisory: https://www.arista.com/en/support/advisories-notices/security-advisory/21315-security-advisory-0115
Restart Required: Yes
Instructions:
1. Review Arista advisory for specific fixed versions. 2. Apply recommended patches or upgrades. 3. Restart CloudVision services as required.
🔧 Temporary Workarounds
Disable Zero Touch Provisioning
allDisable Zero Touch Provisioning functionality if not required for operations
Consult Arista documentation for disabling ZTP on CloudVision
Restrict Network Access
allImplement strict network access controls to limit who can access Zero Touch Provisioning interfaces
Configure firewall rules to restrict access to CloudVision ZTP ports
🧯 If You Can't Patch
- Implement strict network segmentation to isolate CloudVision systems from untrusted networks
- Enable detailed logging and monitoring of all Zero Touch Provisioning activities
🔍 How to Verify
Check if Vulnerable:
Check CloudVision version against Arista advisory; verify if Zero Touch Provisioning is enabled on on-premise deploymentsCheck Version:
Check CloudVision web interface or CLI for version informationVerify Fix Applied:
Verify CloudVision has been updated to patched version specified in Arista advisory📡 Detection & Monitoring
Log Indicators:
- Unauthorized Zero Touch Provisioning attempts
- Unexpected administrative privilege escalations
- Unusual configuration changes to managed devices
Network Indicators:
- Unexpected connections to Zero Touch Provisioning ports
- Suspicious traffic patterns from CloudVision to managed devices
SIEM Query:
Search for 'Zero Touch Provisioning' or 'ZTP' events with administrative actions from unexpected sources