CVE-2026-22915
📋 TL;DR
CVE-2026-22915 allows attackers with low privileges to read files from specific directories on affected devices, potentially exposing sensitive information. This vulnerability affects SICK industrial control systems and similar devices where directory permissions are improperly configured. Organizations using vulnerable SICK products should assess their exposure.
💻 Affected Systems
- SICK industrial control systems and devices
📦 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
Sensitive configuration files, credentials, or proprietary data could be exfiltrated, leading to further system compromise or industrial espionage.
Likely Case
Attackers could access limited system information or configuration files that might aid in further attacks.
If Mitigated
With proper access controls and network segmentation, impact would be limited to non-critical directories.
🎯 Exploit Status
Exploitation requires low-privilege access but uses simple file read operations once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched versions
Vendor Advisory: https://sick.com/psirt
Restart Required: Yes
Instructions:
1. Check vendor advisory for affected products. 2. Download and apply vendor-provided patches. 3. Restart affected devices. 4. Verify patch application.
🔧 Temporary Workarounds
Restrict directory permissions
linuxModify directory permissions to prevent low-privilege users from reading sensitive directories.
chmod 750 /path/to/sensitive/directories
chown root:root /path/to/sensitive/directories
Implement access controls
allConfigure additional access controls or user privilege restrictions.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected devices
- Apply principle of least privilege to all user accounts on affected systems
🔍 How to Verify
Check if Vulnerable:
Test if low-privilege accounts can read files from directories they shouldn't access using commands like 'ls -la /path' and 'cat /path/file'.Check Version:
Check device firmware/software version via vendor-specific commands or web interfaceVerify Fix Applied:
After patching, verify that low-privilege accounts can no longer access restricted directories.📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns by low-privilege users
- Multiple failed then successful file read attempts
Network Indicators:
- Unexpected outbound transfers of configuration files
- Anomalous access to device management interfaces
SIEM Query:
source="device_logs" AND (event="file_access" AND user="low_privilege_user" AND path="*/sensitive/*")🔗 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
