CVE-2024-55958
📋 TL;DR
This vulnerability allows cross-site scripting (XSS) attacks in Northern.tech CFEngine Enterprise Mission Portal. Attackers can inject malicious scripts that execute in users' browsers when they view compromised pages. Organizations using affected versions of CFEngine Enterprise Mission Portal are at risk.
💻 Affected Systems
- Northern.tech CFEngine Enterprise Mission Portal
⚠️ 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 could steal administrator session cookies, perform actions as authenticated users, or redirect users to malicious sites, potentially leading to full system compromise.
Likely Case
Attackers could steal session cookies or credentials from authenticated users, leading to unauthorized access to the Mission Portal.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
XSS vulnerabilities typically require user interaction (viewing malicious content) but are relatively easy to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.24.1 or 3.21.6
Vendor Advisory: https://cfengine.com/blog/2025/cve-2024-55958/
Restart Required: Yes
Instructions:
1. Backup current configuration and data. 2. Download patched version from Northern.tech portal. 3. Stop CFEngine services. 4. Install updated version. 5. Restart CFEngine services. 6. Verify functionality.
🔧 Temporary Workarounds
Input Validation Filter
allImplement web application firewall or proxy rules to filter malicious script content
Content Security Policy
allImplement strict CSP headers to restrict script execution sources
Add 'Content-Security-Policy' header with script-src directives
🧯 If You Can't Patch
- Restrict network access to Mission Portal to trusted IP addresses only
- Implement additional authentication layers and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check Mission Portal version in web interface or via cf-agent --versionCheck Version:
cf-agent --version | grep MissionVerify Fix Applied:
Confirm version is 3.24.1 or 3.21.6 or higher, and test XSS payloads are properly sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual long parameter values in web logs
- Script tags or JavaScript in URL parameters
Network Indicators:
- HTTP requests with suspicious script content in parameters
SIEM Query:
web_logs WHERE url_parameters CONTAINS '<script' OR url_parameters CONTAINS 'javascript:'