Is CVE-2022-33320 actively exploited?

No active exploitation of CVE-2022-33320 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-33320 be exploited remotely?

No. CVE-2022-33320 requires local access to exploit.

What is the CVSS score of CVE-2022-33320?

CVE-2022-33320 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2022-33320

CWE-502Published: July 20, 2022· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Deserialization of Untrusted Data vulnerability in Mitsubishi Electric GENESIS64 versions 10.97 to 10.97.1, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97 to 10.97.1, Mitsubishi Electric ICONICS Suite versions 10.97 to 10.97.1, Mitsubishi Electric Iconics Digital Solutions ICONICS Suite versions 10.97 to 10.97.1, and Mitsubishi Electric MC Works64 versions 4.04E and prior allows an unauthenticated attacker to execute an arbitrary malicious code by leading a user to load a project configuration file including malicious XML codes.

NVD Source

Technical Analysis

CVE-2022-33320 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-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.