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Vulnerability record · CVE-2020-14521 · published 11 February 2022

CVE-2020-14521: Mitsubishielectric c controller interface module utility unquoted search path vulnerability

Mitsubishielectric · C Controller Interface Module Utility

Multiple Mitsubishi Electric Factory Automation engineering software products have a malicious code execution vulnerability. A malicious attacker could use this vulnerability to obtain information, modify information, and cause a denial-of-service condition.

9.8 CVSS 3.1 Critical EPSS 1.3% · top 31.3% CWE-428 · Unquoted search pathCWE-276 · Incorrect default permissions
9.8CVSS 3.1 base score, v2 7.5
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
46Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Multiple Mitsubishi Electric Factory Automation engineering software products have a malicious code execution vulnerability. A malicious attacker could use this vulnerability to obtain information, modify information, and cause a denial-of-service condition.

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

Affected products

46 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cisa.gov/uscert/ics/advisories/icsa-20-212-04 Third Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-007_en.pdf Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-20-212-04 Third Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-007_en.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-20588Mitsubishielectric c controller module setting and monitoring tool memory buffer overflow vulnerabilityImproper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric FA Engineering Software (CPU Module Logging Configuration To…EPSS 6.9%9.8CVE-2021-20587Mitsubishielectric c controller module setting and monitoring tool heap-based buffer overflow vulnerabilityHeap-based buffer overflow vulnerability in Mitsubishi Electric FA Engineering Software (CPU Module Logging Configuration Tool versions 1.112R and pr…EPSS 3.9%

Source: NIST National Vulnerability Database (record CVE-2020-14521), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.