CVE-2025-12047

5.3 MEDIUM

📋 TL;DR

A vulnerability in Lenovo Scanner Pro application allows attackers on the same logical network to access sensitive user files. This affects users of Lenovo Scanner Pro software who have the application installed and running. The vulnerability stems from improper certificate validation (CWE-295).

💻 Affected Systems

Products:
  • Lenovo Scanner Pro
Versions: Specific versions not detailed in reference, but likely multiple versions prior to patch
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Requires application to be installed and running. Attackers must be on same logical network segment.

⚠️ 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

Attackers could exfiltrate sensitive documents, personal files, or confidential data stored in the application's accessible directories.

🟠

Likely Case

Limited file disclosure from application-specific directories to attackers on the same network segment.

🟢

If Mitigated

No impact if application is not installed, network segmentation is enforced, or proper access controls are in place.

🌐 Internet-Facing: LOW - Requires attacker to be on same logical network, not directly internet exploitable.
🏢 Internal Only: MEDIUM - Internal attackers on same network segment could exploit this vulnerability.

🎯 Exploit Status

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

Exploitation requires network access but no authentication. Based on CWE-295 (Improper Certificate Validation).

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not specified in reference, check Lenovo advisory for latest version

Vendor Advisory: https://iknow.lenovo.com.cn/detail/434327

Restart Required: Yes

Instructions:

1. Visit Lenovo advisory page
2. Download latest version of Lenovo Scanner Pro
3. Install update
4. Restart system

🔧 Temporary Workarounds

Network Segmentation

all

Isolate systems running Lenovo Scanner Pro from untrusted network segments

Application Disablement

windows

Disable or uninstall Lenovo Scanner Pro if not required

Control Panel > Programs > Uninstall Lenovo Scanner Pro

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can communicate with affected systems
  • Monitor for unusual file access patterns from network sources

🔍 How to Verify

Check if Vulnerable:

Check if Lenovo Scanner Pro is installed and version is older than patched release

Check Version:

Check application properties or About section in Lenovo Scanner Pro

Verify Fix Applied:

Verify Lenovo Scanner Pro version matches or exceeds patched version from Lenovo advisory

📡 Detection & Monitoring

Log Indicators:

  • Unusual file access patterns from network sources
  • Multiple failed certificate validation attempts

Network Indicators:

  • Unexpected network connections to Lenovo Scanner Pro service ports
  • File transfer patterns from scanner application

SIEM Query:

source_ip IN (internal_range) AND dest_port IN (scanner_app_ports) AND protocol=tcp AND bytes_transferred > threshold

🔗 References

📤 Share & Export