CVE-2022-21660
📋 TL;DR
CVE-2022-21660 is an authentication bypass vulnerability in gin-vue-admin where low-privilege users can modify higher-privilege user accounts due to missing authentication on the setUserInfo function. This affects all gin-vue-admin installations prior to version 2.4.7. Users should update immediately as there are no known workarounds.
💻 Affected Systems
- gin-vue-admin
📦 What is this software?
Gin Vue Admin by Gin Vue Admin Project
⚠️ Risk & Real-World Impact
Worst Case
Attackers could escalate privileges to administrative levels, modify or delete all user accounts, and potentially take full control of the management system.
Likely Case
Low-privilege users modifying higher-privilege user profiles, potentially gaining unauthorized access to sensitive functions or data.
If Mitigated
With proper authentication controls and role-based access restrictions, impact would be limited to authorized modifications only.
🎯 Exploit Status
Requires authenticated low-privilege user access. Exploitation involves calling the vulnerable setUserInfo function without proper authorization checks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.7
Vendor Advisory: https://github.com/flipped-aurora/gin-vue-admin/security/advisories/GHSA-xxvh-9c87-pqjx
Restart Required: Yes
Instructions:
1. Backup current installation. 2. Update gin-vue-admin to version 2.4.7 or later. 3. Restart the application. 4. Verify authentication controls are functioning properly.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate gin-vue-admin instances from untrusted networks.
- Monitor and audit all user modification activities for suspicious patterns.
🔍 How to Verify
Check if Vulnerable:
Check gin-vue-admin version. If version is below 2.4.7, the system is vulnerable.Check Version:
Check package.json or application configuration for version information.Verify Fix Applied:
After updating to 2.4.7+, test that low-privilege users cannot modify higher-privilege user accounts through the setUserInfo function.📡 Detection & Monitoring
Log Indicators:
- Unusual user modification activities from low-privilege accounts
- Multiple user profile updates in short timeframes
Network Indicators:
- HTTP POST requests to user modification endpoints from unauthorized accounts
SIEM Query:
source="gin-vue-admin" AND (event="user_update" OR event="setUserInfo") AND user_role="low_privilege"