CVE-2025-48464

4.7 MEDIUM

📋 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

Products:
  • Sync software
Versions: Specific versions not detailed in provided references
Operating Systems: All platforms running vulnerable Sync versions
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability affects Sync account data access controls; exact product names and versions require vendor advisory details.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

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

all

Restrict network access to Sync services to trusted IP ranges only

Enhanced Authentication

all

Implement 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"

🔗 References

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