How severe is CVE-2020-14496?

CVE-2020-14496 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-2020-14496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14496?

CVE-2020-14496 primarily affects Mitsubishielectric Cpu Module Logging Configuration Tool. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14496?

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-2020-14496 published?

CVE-2020-14496 was published on 2022-05-19 and last updated on 2026-06-17.

CVE-2020-14496

CVE-2020-14496 is a high-severity vulnerability in Mitsubishielectric Cpu Module Logging Configuration Tool 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-275.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-275
Affected product: Mitsubishielectric Cpu Module Logging Configuration Tool
Published: 2022-05-19
Last modified: 2026-06-17

Description

Successful exploitation of this vulnerability for multiple Mitsubishi Electric Factory Automation Engineering Software Products of various versions could allow an attacker to escalate privilege and execute malicious programs, which could cause a denial-of-service condition, and allow information to be disclosed, tampered with, and/or destroyed.

Frequently asked questions

What is CVE-2020-14496?: Successful exploitation of this vulnerability for multiple Mitsubishi Electric Factory Automation Engineering Software Products of various versions could allow an attacker to escalate privilege and execute malicious programs, which could cause a denial-of-service condition, and allow information to be disclosed, tampered with, and/or destroyed.
How severe is CVE-2020-14496?: CVE-2020-14496 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-2020-14496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14496?: CVE-2020-14496 primarily affects Mitsubishielectric Cpu Module Logging Configuration Tool. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14496?: 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-2020-14496 published?: CVE-2020-14496 was published on 2022-05-19 and last updated on 2026-06-17.

References

https://www.cisa.gov/uscert/ics/advisories/icsa-20-212-02

Affected products (29)

cpe:2.3:a:mitsubishielectric:cpu_module_logging_configuration_tool:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:cw_configurator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:data_transfer:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:em_configurator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:ezsocket:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:fr_configurator2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gt_designer3:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gt_softgot1000:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gt_softgot2000:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_logviewer:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_works3:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:m_commdtm-hart:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:m_commdtm-io-link:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:melfa-works:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:melsoft_fielddeviceconfigurator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:melsoft_navigator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:mh11_settingtool_version2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:motorizer:*:*:*:*:*:*:*:*
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:network_interface_board_cc-link_ver.2_utility:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:network_interface_board_cc_ie_control_utility:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:network_interface_board_cc_ie_field_utility:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:network_interface_board_mneth_utility:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:px_developer:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:rt_toolbox2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:rt_toolbox3:*:*:*:*:*:*:*:*

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