CVE-2024-23733
📋 TL;DR
This vulnerability allows remote attackers to bypass authentication on Software AG webMethods Integration Server by sending an arbitrary username with a blank password to the /WmAdmin/#/login/ URI. This exposes the administration panel and reveals sensitive system information like hostname and version details. Organizations running affected versions of webMethods Integration Server are vulnerable.
💻 Affected Systems
- Software AG webMethods Integration Server
⚠️ 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 gain administrative access to the Integration Server, potentially leading to complete system compromise, data exfiltration, or deployment of malicious payloads.
Likely Case
Attackers discover sensitive system information (hostname, version) and potentially access administrative functions, though full exploitation may require additional vulnerabilities.
If Mitigated
With proper network segmentation and access controls, impact is limited to information disclosure without further system access.
🎯 Exploit Status
Simple HTTP request with crafted credentials bypasses authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Core_Fix7 or later
Vendor Advisory: https://tech.forums.softwareag.com/t/security-advisory-cve-2024-23733/281418
Restart Required: No
Instructions:
1. Apply Core_Fix7 patch from Software AG support portal. 2. Verify patch installation. 3. Test authentication functionality.
🔧 Temporary Workarounds
Restrict Access to /WmAdmin
allBlock or restrict network access to the vulnerable endpoint using firewall rules or web server configuration.
# Example Apache mod_rewrite rule
RewriteRule ^/WmAdmin - [F,L]
# Example Nginx location block
location /WmAdmin { deny all; }
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Integration Server from untrusted networks.
- Deploy web application firewall (WAF) with rules to block authentication bypass attempts.
🔍 How to Verify
Check if Vulnerable:
Send HTTP POST request to /WmAdmin/#/login/ with arbitrary username and blank password. If you receive a successful response or access to admin panel, system is vulnerable.Check Version:
Check Integration Server version via administrative interface or installation logs.Verify Fix Applied:
Attempt the same authentication bypass after patching - it should fail with proper authentication error.📡 Detection & Monitoring
Log Indicators:
- Failed login attempts with blank passwords
- Access to /WmAdmin/#/login/ endpoint
- Unusual administrative panel access from unexpected IPs
Network Indicators:
- HTTP POST requests to /WmAdmin/#/login/ with blank password parameter
- Traffic patterns showing authentication bypass attempts
SIEM Query:
source="webmethods" AND (uri="/WmAdmin/#/login/" AND password="")