CVE-2019-11011
📋 TL;DR
CVE-2019-11011 is a remote code execution vulnerability in Akamai CloudTest that allows attackers to execute arbitrary code on affected systems. This affects organizations using Akamai CloudTest versions before 58.30 for load testing and performance monitoring. The vulnerability stems from deserialization of untrusted data (CWE-502).
💻 Affected Systems
- Akamai CloudTest
📦 What is this software?
Cloudtest by Akamai
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to execute arbitrary commands, steal sensitive data, install malware, or pivot to other network systems.
Likely Case
Remote code execution leading to data exfiltration, installation of backdoors, or use as part of a botnet.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and monitoring are in place to detect and contain exploitation attempts.
🎯 Exploit Status
The vulnerability allows remote exploitation without authentication and has been publicly disclosed with technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 58.30 and later
Vendor Advisory: https://blogs.akamai.com/sitr/2019/06/cloudtest-vulnerability-cve-2019-11011.html
Restart Required: Yes
Instructions:
1. Download CloudTest version 58.30 or later from Akamai support portal. 2. Backup current configuration and data. 3. Stop CloudTest services. 4. Install the updated version. 5. Restart CloudTest services. 6. Verify functionality.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to CloudTest instances to only trusted IP addresses and networks.
Firewall Rules
allImplement strict firewall rules to limit inbound connections to CloudTest management interfaces.
🧯 If You Can't Patch
- Isolate CloudTest instances in a separate network segment with strict access controls
- Implement application-level firewalls or WAF rules to monitor and block suspicious requests to CloudTest endpoints
🔍 How to Verify
Check if Vulnerable:
Check CloudTest version via web interface or configuration files. If version is below 58.30, system is vulnerable.Check Version:
Check CloudTest web interface or consult installation documentation for version verification method.Verify Fix Applied:
Verify CloudTest version is 58.30 or higher and test that the application functions normally after update.📡 Detection & Monitoring
Log Indicators:
- Unusual process execution from CloudTest services
- Suspicious network connections originating from CloudTest hosts
- Error logs related to deserialization failures
Network Indicators:
- Unexpected outbound connections from CloudTest servers
- Traffic patterns indicating command and control communication
SIEM Query:
source="cloudtest" AND (event_type="process_execution" OR event_type="deserialization_error")