CVE-2025-41010
📋 TL;DR
An incorrect CORS configuration in Hiberus Sintra allows attackers to perform cross-origin requests with credentials, potentially enabling unauthorized privileged actions and access to confidential information. This affects organizations using Hiberus Sintra with vulnerable configurations.
💻 Affected Systems
- Hiberus Sintra
⚠️ 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 perform administrative actions, access sensitive user data, or compromise the entire application by exploiting the misconfigured CORS policy.
Likely Case
Attackers could steal session cookies, perform CSRF attacks, or access user-specific data through malicious websites.
If Mitigated
With proper CORS configuration, cross-origin requests would be properly restricted, preventing unauthorized access.
🎯 Exploit Status
Exploitation requires a malicious website that the victim visits, but no authentication to the target application
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in advisory
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/cross-origin-resource-sharing-cors-hiberus-sintra
Restart Required: No
Instructions:
1. Update Hiberus Sintra to latest version
2. Review and correct CORS configuration
3. Ensure Access-Control-Allow-Origin is not set to wildcard (*) when credentials are enabled
🔧 Temporary Workarounds
Restrict CORS Origins
allConfigure CORS to only allow specific trusted origins instead of wildcards
Disable Credentials in CORS
allSet Access-Control-Allow-Credentials to false if not required
🧯 If You Can't Patch
- Implement WAF rules to block malicious cross-origin requests
- Use Content Security Policy (CSP) headers to restrict script sources
🔍 How to Verify
Check if Vulnerable:
Test CORS configuration by sending cross-origin requests with credentials and checking if they are improperly allowedCheck Version:
Check Hiberus Sintra documentation for version informationVerify Fix Applied:
Verify that cross-origin requests with credentials are properly rejected unless from explicitly allowed origins📡 Detection & Monitoring
Log Indicators:
- Unusual cross-origin requests
- Requests with unexpected Origin headers
Network Indicators:
- Cross-origin requests with credentials to sensitive endpoints
SIEM Query:
web.access AND (origin:* OR referer:*malicious*) AND status:200