CVE-2025-48464
📋 TL;DR
This vulnerability allows unauthenticated attackers to access Sync account data including credentials and email protection information. It affects users of vulnerable Sync software versions. The exposure occurs when attackers exploit insufficient access controls.
💻 Affected Systems
- Sync software
⚠️ 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 compromise of Sync account data leading to credential theft, email interception, and potential account takeover across linked services.
Likely Case
Unauthorized access to sensitive account information including credentials and email protection settings, enabling further targeted attacks.
If Mitigated
Limited exposure with proper network segmentation and access controls preventing external exploitation attempts.
🎯 Exploit Status
Exploitation requires understanding of Sync's authentication mechanisms and data access patterns.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Latest stable version (check vendor advisory)
Vendor Advisory: https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-097/
Restart Required: No
Instructions:
1. Check current Sync version. 2. Update to latest patched version from official vendor sources. 3. Verify update completion and functionality.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to Sync services to trusted IP ranges only
Enhanced Authentication
allImplement multi-factor authentication for all Sync accounts
🧯 If You Can't Patch
- Isolate Sync services in segmented network zones with strict firewall rules
- Implement comprehensive monitoring and alerting for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check Sync software version against vendor's vulnerable version list
Check Version:
sync --version or check application settings/help menu
Verify Fix Applied:
Confirm installation of patched version and test authentication/access controls
📡 Detection & Monitoring
Log Indicators:
- Unauthenticated access attempts to Sync APIs
- Unusual data access patterns from unexpected sources
Network Indicators:
- Unusual traffic to Sync service ports from external sources
- Authentication bypass attempts
SIEM Query:
source="sync_logs" AND (event_type="auth_failure" OR event_type="data_access") AND user="anonymous"