CVE-2022-21155

HIGH

Fernhillsoftware Scada Server < 3.77 - Improper Exception Handling

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 7.5
EPSS 0.0014
EPSS Percentile 33.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-755 CWE-400
Status published
Products (1)
fernhillsoftware/scada_server < 3.77
Published Apr 12, 2022
Tracked Since Feb 18, 2026