CVE-2026-22909
📋 TL;DR
This vulnerability allows unauthorized access to system functions that control installed applications. Attackers can start, stop, or delete applications, potentially disrupting system operations. This affects systems running vulnerable versions of the software with insufficient access controls.
💻 Affected Systems
- SICK industrial systems and software with vulnerable authorization mechanisms
📦 What is this 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 system disruption through deletion of critical applications, leading to extended downtime and potential data loss.
Likely Case
Service disruption through unauthorized stopping of applications, causing temporary operational impact.
If Mitigated
Minimal impact with proper access controls and network segmentation limiting attack surface.
🎯 Exploit Status
Exploitation appears straightforward once the vulnerable endpoint is identified, requiring no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Consult SICK PSIRT advisory for specific patched versions
Vendor Advisory: https://sick.com/psirt
Restart Required: Yes
Instructions:
1. Review SICK PSIRT advisory for affected products. 2. Download and apply vendor-provided patches. 3. Restart affected systems. 4. Verify patch application through version checks.
🔧 Temporary Workarounds
Network segmentation
allIsolate vulnerable systems from untrusted networks to limit attack surface
Access control hardening
allImplement strict authentication and authorization controls for system functions
🧯 If You Can't Patch
- Implement network segmentation to isolate vulnerable systems from untrusted networks
- Deploy application allowlisting to prevent unauthorized application modifications
🔍 How to Verify
Check if Vulnerable:
Check system version against SICK advisory and test authorization controls for application management functionsCheck Version:
Consult SICK documentation for specific version check commands for your productVerify Fix Applied:
Verify patch version is installed and test that unauthorized users cannot access application control functions📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to application management functions
- Unexpected application start/stop/delete events
Network Indicators:
- Unusual traffic patterns to application management endpoints
SIEM Query:
source="application_logs" AND (event="unauthorized_access" OR event="application_control")🔗 References
- https://sick.com/psirt
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
- https://www.first.org/cvss/calculator/3.1
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.json
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.pdf
- https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf
