CVE-2022-21155 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-02

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5