CVE-2024-51948
📋 TL;DR
A stored cross-site scripting vulnerability in ArcGIS Server versions 11.3 and below allows authenticated attackers with publisher privileges to inject malicious JavaScript links. When victims click these links, arbitrary code executes in their browsers. This affects organizations using vulnerable ArcGIS Server deployments.
💻 Affected Systems
- ArcGIS Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An authenticated malicious publisher could steal session cookies, perform actions as authenticated users, or redirect to phishing sites by exploiting stored XSS payloads.
Likely Case
Limited impact due to high privilege requirements; most likely used for session hijacking or credential theft against users who click crafted links.
If Mitigated
With proper access controls and input validation, impact is minimal as only trusted publishers can exploit and victims must click malicious links.
🎯 Exploit Status
Exploitation requires authenticated publisher access and user interaction (clicking malicious link).
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply ArcGIS Server Security 2025 Update 1 Patch
Vendor Advisory: https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/arcgis-server-security-2025-update-1-patch/
Restart Required: Yes
Instructions:
1. Download the Security 2025 Update 1 patch from Esri's website.
2. Stop ArcGIS Server services.
3. Apply the patch according to Esri's installation instructions.
4. Restart ArcGIS Server services.
5. Verify successful patch installation.
🔧 Temporary Workarounds
Restrict Publisher Access
allLimit publisher privileges to trusted users only and implement strict access controls.
Input Validation Enhancement
allImplement additional server-side validation for user-generated content and links.
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact.
- Monitor and audit publisher account activities for suspicious link creation.
🔍 How to Verify
Check if Vulnerable:
Check ArcGIS Server version; if 11.3 or below and not patched with Security 2025 Update 1, system is vulnerable.Check Version:
Check ArcGIS Server version through web interface or server logs.Verify Fix Applied:
Verify patch installation via ArcGIS Server Administrator Directory or version check commands.📡 Detection & Monitoring
Log Indicators:
- Unusual publisher account activity
- Suspicious link creation patterns in server logs
Network Indicators:
- Unexpected JavaScript execution in ArcGIS Server responses
SIEM Query:
Search for ArcGIS Server logs containing malicious script patterns or unusual publisher actions.