CVE-2025-42888

5.5 MEDIUM

📋 TL;DR

CVE-2025-42888 is a local information disclosure vulnerability in SAP GUI for Windows that allows highly privileged users on the affected client PC to access sensitive information from process memory during runtime. This affects organizations using SAP GUI for Windows where local administrators could potentially extract confidential data.

💻 Affected Systems

Products:
  • SAP GUI for Windows
Versions: Specific versions not detailed in advisory; check SAP Note 3651097 for exact affected versions
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects SAP GUI client installations on Windows; requires local administrator privileges on the client machine.

⚠️ 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

A malicious local administrator could extract sensitive business data, credentials, or proprietary information from SAP GUI process memory, leading to data breaches or intellectual property theft.

🟠

Likely Case

Local administrators with legitimate access could inadvertently or intentionally view sensitive information they shouldn't have access to, violating least privilege principles.

🟢

If Mitigated

With proper access controls limiting local admin privileges and network segmentation, the impact is minimal as only authorized administrators can access the system.

🌐 Internet-Facing: LOW - This is a local client-side vulnerability requiring physical or remote desktop access to the affected Windows machine.
🏢 Internal Only: MEDIUM - Internal users with local admin privileges on SAP GUI client machines could exploit this, but requires elevated access.

🎯 Exploit Status

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

Exploitation requires local administrator access to the Windows machine running SAP GUI; no authentication bypass needed beyond local admin rights.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check SAP Note 3651097 for specific patched versions

Vendor Advisory: https://me.sap.com/notes/3651097

Restart Required: Yes

Instructions:

1. Review SAP Note 3651097 for affected versions and patches. 2. Download appropriate SAP GUI patch from SAP Support Portal. 3. Apply patch to all affected SAP GUI installations. 4. Restart SAP GUI applications.

🔧 Temporary Workarounds

Restrict Local Administrator Access

windows

Limit local administrator privileges on SAP GUI client machines to only essential personnel

Implement Application Whitelisting

windows

Use Windows Defender Application Control or similar to restrict which users can run memory analysis tools

🧯 If You Can't Patch

  • Implement strict least privilege access controls on SAP GUI client machines
  • Segment SAP GUI clients from sensitive networks and monitor for unusual local privilege escalation

🔍 How to Verify

Check if Vulnerable:

Check SAP GUI version and compare against patched versions in SAP Note 3651097

Check Version:

In SAP GUI: Help → About SAP Logon or check Windows Programs and Features

Verify Fix Applied:

Verify SAP GUI version after patching matches or exceeds patched version in SAP Note 3651097

📡 Detection & Monitoring

Log Indicators:

  • Windows Event Logs showing local privilege escalation
  • SAP GUI crash dumps or unusual process termination

Network Indicators:

  • Unusual RDP connections to SAP GUI client machines
  • Unexpected outbound data transfers from SAP GUI clients

SIEM Query:

Windows Security Event ID 4688 with process names containing memory analysis tools (procdump, windbg) on SAP GUI client machines

🔗 References

📤 Share & Export