CVE-2024-54044
📋 TL;DR
This reflected Cross-Site Scripting (XSS) vulnerability in Adobe Connect allows unauthenticated attackers to execute malicious JavaScript in victims' browsers by tricking them into clicking specially crafted URLs. The vulnerability affects Adobe Connect versions 12.6, 11.4.7 and earlier. Successful exploitation could lead to session hijacking, credential theft, or other client-side attacks.
💻 Affected Systems
- Adobe Connect
📦 What is this software?
Connect by Adobe
Connect by Adobe
⚠️ Risk & Real-World Impact
Worst Case
Attacker steals administrator session cookies, gains full control of Adobe Connect instance, accesses sensitive meeting data, and potentially pivots to internal network resources.
Likely Case
Attacker steals user session cookies, impersonates legitimate users, accesses confidential meeting content, and potentially captures credentials through phishing.
If Mitigated
With proper input validation and output encoding, the attack fails to execute JavaScript, resulting in no impact beyond failed exploitation attempts.
🎯 Exploit Status
Reflected XSS typically requires social engineering to trick users into clicking malicious links, but the technical exploitation is straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Adobe Connect 12.7 and 11.4.8
Vendor Advisory: https://helpx.adobe.com/security/products/connect/apsb24-99.html
Restart Required: Yes
Instructions:
1. Download Adobe Connect 12.7 or 11.4.8 from Adobe's official distribution channels. 2. Backup current configuration and data. 3. Stop Adobe Connect services. 4. Install the updated version. 5. Restart services and verify functionality.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allDeploy WAF rules to block XSS payloads in URL parameters
Content Security Policy (CSP)
allImplement strict CSP headers to prevent inline script execution
🧯 If You Can't Patch
- Implement network segmentation to restrict Adobe Connect access to trusted users only
- Deploy client-side browser security controls that block reflected XSS attacks
🔍 How to Verify
Check if Vulnerable:
Check Adobe Connect version via admin console or by examining installation filesCheck Version:
Check Adobe Connect admin panel or installation directory version filesVerify Fix Applied:
Verify version is 12.7 or 11.4.8 or later, and test URL parameters for XSS payloads📡 Detection & Monitoring
Log Indicators:
- Unusual long URLs with script tags in access logs
- Multiple failed requests with JavaScript payloads
Network Indicators:
- HTTP requests containing <script> tags in URL parameters
- Requests to Adobe Connect with suspicious query strings
SIEM Query:
source="adobe_connect" AND (url="*<script>*" OR url="*javascript:*")