CVE-2025-0929
📋 TL;DR
SQL injection vulnerability in TeamCal Neo version 3.8.2 allows attackers to execute arbitrary SQL commands via the 'abs' parameter. This could lead to complete database compromise including data theft, modification, or deletion. All organizations running the vulnerable version are affected.
💻 Affected Systems
- TeamCal Neo
⚠️ 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
Complete database compromise leading to data exfiltration, destruction of all records, or installation of persistent backdoors.
Likely Case
Unauthorized access to sensitive calendar data, user credentials, and potential privilege escalation.
If Mitigated
Limited impact if proper input validation and WAF rules are in place, though risk remains elevated.
🎯 Exploit Status
Requires knowledge of SQL injection techniques but no authentication needed. CVSS 9.8 indicates critical severity.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.8.2 (check vendor for specific version)
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-teamcal-neo
Restart Required: No
Instructions:
1. Backup database and application files. 2. Download latest version from official vendor. 3. Replace vulnerable files with patched version. 4. Verify functionality.
🔧 Temporary Workarounds
Input Validation Filter
allAdd server-side validation to sanitize 'abs' parameter before processing
Modify /teamcal/src/index.php to validate and sanitize the 'abs' parameter using prepared statements or parameterized queries
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns
Add WAF rule to detect and block SQL injection attempts on /teamcal/src/index.php with 'abs' parameter
🧯 If You Can't Patch
- Implement strict network segmentation to isolate TeamCal Neo from critical systems
- Deploy database monitoring to detect unusual SQL queries and access patterns
🔍 How to Verify
Check if Vulnerable:
Check TeamCal Neo version in admin interface or by examining application files for version 3.8.2Check Version:
Check admin dashboard or examine /teamcal/ directory for version filesVerify Fix Applied:
Test 'abs' parameter with SQL injection payloads after patch - should return error or no database impact📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts or parameter manipulation in web server logs
Network Indicators:
- HTTP requests to /teamcal/src/index.php with SQL keywords in 'abs' parameter
SIEM Query:
source="web_server" AND uri="/teamcal/src/index.php" AND (param="abs" AND value CONTAINS "UNION" OR value CONTAINS "SELECT" OR value CONTAINS "INSERT" OR value CONTAINS "DELETE")