CVE-2024-47520
📋 TL;DR
This vulnerability allows users with advanced report application access rights to perform unauthorized actions beyond their intended permissions. It affects Arista EOS systems where users have been granted specific report application privileges but can escalate their access.
💻 Affected Systems
- Arista EOS
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An authenticated user could gain administrative privileges, modify system configurations, access sensitive data, or disrupt network operations.
Likely Case
Users with report access could view or modify data they shouldn't have access to, potentially exposing sensitive information or making unauthorized changes.
If Mitigated
With proper access controls and monitoring, impact would be limited to minor privilege escalation within the reporting module.
🎯 Exploit Status
Exploitation requires authenticated access with specific report privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Fixed in specific EOS releases - check Arista advisory for exact versions
Vendor Advisory: https://www.arista.com/en/support/advisories-notices/security-advisory/20454-security-advisory-0105
Restart Required: No
Instructions:
1. Review Arista advisory 20454 for exact fixed versions. 2. Upgrade affected EOS systems to patched versions. 3. Verify no unauthorized access occurred prior to patching.
🔧 Temporary Workarounds
Restrict Report Access
allLimit advanced report application access to only essential users
Configure appropriate role-based access controls in EOS
🧯 If You Can't Patch
- Implement strict access controls and monitor users with report privileges
- Regularly audit user activities and permissions for anomalies
🔍 How to Verify
Check if Vulnerable:
Check EOS version and compare against patched versions in Arista advisoryCheck Version:
show versionVerify Fix Applied:
Verify EOS version is updated to patched release and test report functionality📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts in report module logs
- Unusual user activity from report-privileged accounts
Network Indicators:
- Unusual report-related API calls or data exports
SIEM Query:
Search for report module access from non-admin users performing administrative actions