CVE-2025-30190
📋 TL;DR
This vulnerability allows malicious Office documents to inject script code when edited, potentially executing unauthorized actions under the user's account. It affects users of Open-Xchange AppSuite who open untrusted documents. The impact includes potential data exfiltration and unauthorized system access.
💻 Affected Systems
- Open-Xchange AppSuite
⚠️ 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 account compromise leading to data exfiltration, privilege escalation, and lateral movement within the organization.
Likely Case
Targeted phishing attacks delivering malicious documents that steal session cookies or sensitive data when opened by users.
If Mitigated
Limited impact with proper email filtering, user awareness training, and network segmentation containing the damage.
🎯 Exploit Status
No publicly available exploits known, but exploitation requires user to open malicious document
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Open-Xchange security advisory for specific patched versions
Vendor Advisory: https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2025/oxas-adv-2025-0003.json
Restart Required: Yes
Instructions:
1. Review Open-Xchange security advisory 2. Download latest patched version 3. Backup current installation 4. Apply patch following vendor instructions 5. Restart affected services 6. Verify patch application
🔧 Temporary Workarounds
Document Upload Restrictions
allRestrict upload of Office documents from untrusted sources
User Awareness Training
allTrain users to avoid opening untrusted Office documents
🧯 If You Can't Patch
- Implement strict email filtering to block suspicious Office attachments
- Isolate Open-Xchange AppSuite instances from critical systems using network segmentation
🔍 How to Verify
Check if Vulnerable:
Check Open-Xchange AppSuite version against vendor advisoryCheck Version:
Check Open-Xchange admin interface or consult vendor documentationVerify Fix Applied:
Verify version number matches patched version in vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unusual document upload patterns
- Multiple failed document processing attempts
- Unexpected script execution in document context
Network Indicators:
- Unusual outbound connections after document processing
- Data exfiltration patterns from AppSuite servers
SIEM Query:
source="open-xchange" AND (event="document_upload" OR event="script_execution")