CVE-2024-20767
📋 TL;DR
This CVE describes an Improper Access Control vulnerability in Adobe ColdFusion that allows attackers to read arbitrary files from the file system without authentication. The vulnerability affects ColdFusion 2023.6, 2021.12 and earlier versions. Exploitation requires the admin panel to be exposed to the internet.
💻 Affected Systems
- Adobe ColdFusion
📦 What is this software?
Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →Coldfusion by Adobe
Adobe ColdFusion is a commercial rapid web application development platform and server providing a Java-based runtime environment for building dynamic websites, web applications, REST APIs, and enterprise integrations. Deployed across government agencies, financial services, healthcare organizations...
Learn more about Coldfusion →⚠️ Risk & Real-World Impact
Worst Case
Attackers could read sensitive files including configuration files, source code, credentials, and system files, potentially leading to full system compromise.
Likely Case
Attackers will read configuration files to extract database credentials, API keys, and other sensitive information for further attacks.
If Mitigated
With proper network segmentation and admin panel not exposed, impact is limited to authenticated users only.
🎯 Exploit Status
CISA has added this to Known Exploited Vulnerabilities catalog indicating active exploitation
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: ColdFusion 2023.7 and 2021.13
Vendor Advisory: https://helpx.adobe.com/security/products/coldfusion/apsb24-14.html
Restart Required: Yes
Instructions:
1. Download ColdFusion 2023.7 or 2021.13 from Adobe website. 2. Backup current installation. 3. Apply the update following Adobe's installation guide. 4. Restart ColdFusion services.
🔧 Temporary Workarounds
Restrict Admin Panel Access
linuxBlock external access to ColdFusion admin panel using firewall rules or network segmentation
iptables -A INPUT -p tcp --dport 8500 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 8500 -j DROP
Web Server Access Control
allConfigure web server to restrict access to /CFIDE/administrator path
<Location /CFIDE/administrator>
Require ip 192.168.1.0/24
</Location>
🧯 If You Can't Patch
- Implement strict network segmentation to isolate ColdFusion servers from untrusted networks
- Deploy web application firewall (WAF) rules to block requests to vulnerable endpoints
🔍 How to Verify
Check if Vulnerable:
Check ColdFusion version via admin panel or cfusion/lib/version.txt fileCheck Version:
cat /opt/coldfusion/cfusion/lib/version.txtVerify Fix Applied:
Verify version is 2023.7 or higher for 2023 branch, or 2021.13 or higher for 2021 branch📡 Detection & Monitoring
Log Indicators:
- Unusual file read attempts in ColdFusion logs
- Access to /CFIDE/administrator from unexpected IPs
- Multiple failed file access attempts
Network Indicators:
- HTTP requests to ColdFusion admin endpoints from external IPs
- Unusual file path patterns in HTTP requests
SIEM Query:
source="coldfusion.log" AND ("file read" OR "/CFIDE/administrator") AND src_ip NOT IN [trusted_ips]