High severity7.5NVD Advisory· Published Apr 12, 2022· Updated Jun 17, 2026

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

Fernhillsoftware/Scada Server
cpe:2.3:a:fernhillsoftware:scada_server:*:*:*:*:*:*:*:*
Range: <=3.77
Fernhill/SCADA Serverllm-fuzzy2 versions
<=3.77+ 1 more
- (no CPE)range: <=3.77
- (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

www.cisa.gov/uscert/ics/advisories/icsa-22-006-02nvdMitigationThird Party AdvisoryUS Government Resource

News mentions

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