Is CVE-2022-3397 actively exploited?

No active exploitation of CVE-2022-3397 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-3397 be exploited remotely?

Yes. CVE-2022-3397 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-3397?

CVE-2022-3397 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2022-3397

CRITICAL

CVE-2022-3397

CWE-787Published: October 6, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

OMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.

NVD Source

Technical Analysis

CVE-2022-3397 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.

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