CVE-2025-21092
📋 TL;DR
GMOD Apollo lacks proper access controls when updating user information, allowing attackers to escalate privileges for themselves or other users. This affects all systems running vulnerable versions of GMOD Apollo software.
💻 Affected Systems
- GMOD Apollo
⚠️ 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 system compromise through administrative privilege escalation, enabling data theft, system modification, or service disruption.
Likely Case
Unauthorized privilege escalation to gain administrative access, modify user permissions, or access restricted functionality.
If Mitigated
Limited impact with proper network segmentation, strong authentication, and monitoring in place.
🎯 Exploit Status
Requires authenticated access but minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific version
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-063-07
Restart Required: Yes
Instructions:
1. Review CISA advisory ICSA-25-063-07
2. Obtain updated version from vendor
3. Apply patch following vendor instructions
4. Restart affected services
🔧 Temporary Workarounds
Network Access Restriction
allLimit access to GMOD Apollo interface to trusted networks only
Enhanced Monitoring
allImplement logging and alerting for user permission changes
🧯 If You Can't Patch
- Implement strict network segmentation to isolate GMOD Apollo systems
- Enforce multi-factor authentication and review user permission changes daily
🔍 How to Verify
Check if Vulnerable:
Check current GMOD Apollo version against vendor advisoryCheck Version:
Check application interface or configuration files for version informationVerify Fix Applied:
Verify updated version is installed and test user permission modification controls📡 Detection & Monitoring
Log Indicators:
- Unexpected user permission changes
- Multiple failed authentication attempts followed by successful privilege modification
- User account modifications from unusual IP addresses
Network Indicators:
- HTTP POST requests to user update endpoints from unauthorized sources
- Unusual authentication patterns
SIEM Query:
source="gmod_apollo" AND (event_type="user_update" OR event_type="permission_change")