Vulnerability Description
A specially crafted packet sent to the Fernhill SCADA Server Version 3.77 and earlier may cause an exception, causing the server process (FHSvrService.exe) to exit.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fernhillsoftware | Scada Server | <= 3.77 |
| Linux | Linux Kernel | - |
| Apple | Macos | - |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-02MitigationThird Party AdvisoryUS Government Resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-02MitigationThird Party AdvisoryUS Government Resource
FAQ
What is CVE-2022-21155?
CVE-2022-21155 is a vulnerability with a CVSS score of 7.5 (HIGH). A specially crafted packet sent to the Fernhill SCADA Server Version 3.77 and earlier may cause an exception, causing the server process (FHSvrService.exe) to exit.
How severe is CVE-2022-21155?
CVE-2022-21155 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-21155?
Check the references section above for vendor advisories and patch information. Affected products include: Fernhillsoftware Scada Server, Linux Linux Kernel, Apple Macos, Microsoft Windows.