Is CVE-2022-3379 actively exploited?

No active exploitation of CVE-2022-3379 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-3379 be exploited remotely?

No. CVE-2022-3379 requires local access to exploit.

What is the CVSS score of CVE-2022-3379?

CVE-2022-3379 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2022-3379

HIGH

CVE-2022-3379

CWE-787Published: October 27, 2022· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Horner Automation's Cscape version 9.90 SP7 and prior does not properly validate user-supplied data. If a user opens a maliciously formed FNT file, then an attacker could execute arbitrary code within the current process by writing outside the memory buffer.

NVD Source

Technical Analysis

CVE-2022-3379 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.