CVE-2024-53408
📋 TL;DR
AVE System Web Client v2.1.131.13992 contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. This affects organizations using this specific version of the AVE System Web Client software. Attackers could steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- AVE System Web Client
⚠️ 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
Attackers steal administrator credentials, gain full control of the system, and pivot to internal networks.
Likely Case
Session hijacking leading to unauthorized access to sensitive data within the web application.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy (CSP) headers.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity. No public exploit code has been identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Contact AVE System vendor for patch information
2. Monitor vendor communications for security updates
3. Apply patches as soon as they become available
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add 'Content-Security-Policy: default-src 'self'; script-src 'self'' to HTTP headers
Input Validation and Output Encoding
allImplement server-side validation and proper output encoding for all user inputs
🧯 If You Can't Patch
- Isolate the vulnerable system behind a web application firewall (WAF) with XSS protection rules
- Implement network segmentation to limit the system's access to other critical resources
🔍 How to Verify
Check if Vulnerable:
Check web client version in application interface or configuration files. Look for version 2.1.131.13992.Check Version:
Check application web interface or consult system documentation for version informationVerify Fix Applied:
Verify version has been updated from 2.1.131.13992. Test XSS payloads in user input fields to confirm they are properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual long parameter values in HTTP requests
- Multiple requests with script-like patterns in parameters
Network Indicators:
- HTTP requests containing <script> tags or javascript: URIs in parameters
SIEM Query:
source="web_server" AND (uri="*<script>*" OR uri="*javascript:*")