CVE-2021-45465
📋 TL;DR
This vulnerability in syngo fastView allows attackers to execute arbitrary code by exploiting improper BMP file parsing. All versions of syngo fastView are affected, potentially compromising medical imaging systems. Attackers could gain control of affected systems through specially crafted BMP files.
💻 Affected Systems
- syngo fastView
📦 What is this software?
Syngo Fastview by Siemens Healthineers
⚠️ 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
Full system compromise with attacker gaining complete control over the medical imaging system, potentially accessing patient data or disrupting critical healthcare operations.
Likely Case
Local privilege escalation or remote code execution leading to data theft, system manipulation, or ransomware deployment on affected medical devices.
If Mitigated
Limited impact with proper network segmentation and file validation controls preventing malicious BMP files from reaching vulnerable systems.
🎯 Exploit Status
Exploitation requires delivering a malicious BMP file to the vulnerable application. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Contact Siemens Healthineers for specific patch information
Vendor Advisory: https://www.siemens-healthineers.com/en-us/support-documentation/cybersecurity/shsa-688797
Restart Required: Yes
Instructions:
1. Contact Siemens Healthineers support for patch availability
2. Apply the provided security update following vendor instructions
3. Restart affected systems after patch application
4. Verify patch installation through version checking
🔧 Temporary Workarounds
Restrict BMP file processing
allBlock or restrict processing of BMP files in syngo fastView through application configuration or external controls
Network segmentation
allIsolate syngo fastView systems from untrusted networks and implement strict file transfer controls
🧯 If You Can't Patch
- Implement strict file validation controls to reject suspicious BMP files
- Deploy application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check syngo fastView version and compare against vendor advisory. Systems running any version are vulnerable.Check Version:
Check application version through syngo fastView interface or system documentationVerify Fix Applied:
Verify patch installation through vendor-provided verification tools or version checking against patched versions.📡 Detection & Monitoring
Log Indicators:
- Unusual BMP file processing errors
- Application crashes when handling image files
- Suspicious file upload attempts to medical imaging systems
Network Indicators:
- Unexpected file transfers to medical imaging systems
- Network traffic patterns indicating file upload exploitation attempts
SIEM Query:
Search for application crashes in syngo fastView logs combined with BMP file processing events