High severity7.5NVD Advisory· Published Apr 12, 2022· Updated Jun 17, 2026
CVE-2022-21155
CVE-2022-21155
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.
Affected products
2<=3.77+ 1 more
- (no CPE)range: <=3.77
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
1- www.cisa.gov/uscert/ics/advisories/icsa-22-006-02nvdMitigationThird Party AdvisoryUS Government Resource
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