Is CVE-2021-41578 actively exploited?

No active exploitation of CVE-2021-41578 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-41578 be exploited remotely?

No. CVE-2021-41578 requires local access to exploit.

What is the CVSS score of CVE-2021-41578?

CVE-2021-41578 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2021-41578

HIGH

CVE-2021-41578

CWE-22Published: October 4, 2021· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

mySCADA myDESIGNER 8.20.0 and below allows Directory Traversal attacks when importing project files. If an attacker can trick a victim into importing a malicious mep file, then they gain the ability to write arbitrary files to OS locations where the user has permission. This would typically lead to code execution.

NVD Source

Technical Analysis

CVE-2021-41578 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.