How severe is CVE-2020-14523?

CVE-2020-14523 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14523?

CVE-2020-14523 primarily affects Mitsubishielectric Cw Configurator. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14523?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-14523 published?

CVE-2020-14523 was published on 2022-02-11 and last updated on 2026-06-17.

CVE-2020-14523

CVE-2020-14523 is a high-severity vulnerability in Mitsubishielectric Cw Configurator with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Mitsubishielectric Cw Configurator
Published: 2022-02-11
Last modified: 2026-06-17

Description

Multiple Mitsubishi Electric Factory Automation products have a vulnerability that allows an attacker to execute arbitrary code.

Frequently asked questions

What is CVE-2020-14523?: Multiple Mitsubishi Electric Factory Automation products have a vulnerability that allows an attacker to execute arbitrary code.
How severe is CVE-2020-14523?: CVE-2020-14523 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-14523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14523?: CVE-2020-14523 primarily affects Mitsubishielectric Cw Configurator. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14523?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-14523 published?: CVE-2020-14523 was published on 2022-02-11 and last updated on 2026-06-17.

References

Affected products (20)

cpe:2.3:a:mitsubishielectric:cw_configurator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:fr_configurator2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_works3:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:iu_configuration_tool:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:iu_developer2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:melsoft_iq_appportal:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:melsoft_navigator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:mi_configurator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:mr_configurator2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:mt_works2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:mx_component:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:rt_toolbox3:*:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:rd78g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:rd78g8_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:rd78g16_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:rd78g32_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:rd78g64_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:rd78ghv_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:rd78ghw_firmware:*:*:*:*:*:*:*:*

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