CVE-2024-51051
📋 TL;DR
AVSCMS v8.2.0 uses weak default credentials for the Administrator account, allowing attackers to gain administrative access to the CMS. This affects all installations using the default configuration. Attackers can take full control of affected systems.
💻 Affected Systems
- AVSCMS
⚠️ 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
Complete compromise of the CMS with administrative privileges, allowing data theft, defacement, malware deployment, and lateral movement to connected systems.
Likely Case
Unauthorized administrative access leading to website defacement, data exfiltration, or installation of backdoors.
If Mitigated
Limited impact if strong credentials are already configured, though default installations remain vulnerable.
🎯 Exploit Status
Exploitation requires only knowledge of default credentials and access to the login page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Log into AVSCMS admin panel. 2. Navigate to user management. 3. Change Administrator account password to a strong, unique password. 4. Enable multi-factor authentication if available.
🔧 Temporary Workarounds
Change Default Credentials
allImmediately change the default Administrator password to a strong, unique password.
Restrict Admin Access
allImplement IP whitelisting or network segmentation to restrict access to the admin interface.
🧯 If You Can't Patch
- Implement network-level controls to restrict access to the admin interface from untrusted networks.
- Deploy a web application firewall (WAF) with credential stuffing protection and brute force detection.
🔍 How to Verify
Check if Vulnerable:
Check if you can log into the AVSCMS admin panel using default credentials (typically admin/admin or similar weak combinations).
Check Version:
Check the AVSCMS version in the admin panel or by examining the software files.
Verify Fix Applied:
Attempt to log in with default credentials - access should be denied. Verify strong password is set for Administrator account.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful login to Administrator account
- Login from unusual IP addresses to admin panel
Network Indicators:
- Unusual traffic patterns to /admin/ paths
- Credential stuffing attacks against login endpoints
SIEM Query:
source="avscms_logs" AND (event="login_success" AND user="Administrator") OR (event="login_failed" AND user="Administrator" AND count>5)