How severe is CVE-2020-12015?

CVE-2020-12015 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-12015 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12015?

CVE-2020-12015 primarily affects Mitsubishielectric Mc Works. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12015?

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-2020-12015 published?

CVE-2020-12015 was published on 2020-07-16 and last updated on 2026-06-17.

CVE-2020-12015

CVE-2020-12015 is a high-severity vulnerability in Mitsubishielectric Mc Works with a CVSS 3.x base score of 7.5. 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-502.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Mitsubishielectric Mc Works
Published: 2020-07-16
Last modified: 2026-06-17

Description

A specially crafted communication packet sent to the affected systems could cause a denial-of-service condition due to improper deserialization. This issue affects: Mitsubishi Electric MC Works64 version 4.02C (10.95.208.31) and earlier, all versions; Mitsubishi Electric MC Works32 version 3.00A (9.50.255.02); ICONICS GenBroker64, Platform Services, Workbench, FrameWorX Server version 10.96 and prior; ICONICS GenBroker32 version 9.5 and prior.

Frequently asked questions

What is CVE-2020-12015?: A specially crafted communication packet sent to the affected systems could cause a denial-of-service condition due to improper deserialization. This issue affects: Mitsubishi Electric MC Works64 version 4.02C (10.95.208.31) and earlier, all versions; Mitsubishi Electric MC Works32 version 3.00A (9.50.255.02); ICONICS GenBroker64, Platform Services, Workbench, FrameWorX Server version 10.96 and prior; ICONICS GenBroker32 version 9.5 and prior.
How severe is CVE-2020-12015?: CVE-2020-12015 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-12015 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12015?: CVE-2020-12015 primarily affects Mitsubishielectric Mc Works. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12015?: 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-2020-12015 published?: CVE-2020-12015 was published on 2020-07-16 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:mitsubishielectric:mc_works:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:mc_works32:9.50.255.02:*:*:*:*:*:*:*
cpe:2.3:a:iconics:energy_analytix:-:*:*:*:*:*:*:*
cpe:2.3:a:iconics:facility_analytix:-:*:*:*:*:*:*:*
cpe:2.3:a:iconics:genesis64:-:*:*:*:*:*:*:*
cpe:2.3:a:iconics:hyper_historian:-:*:*:*:*:*:*:*
cpe:2.3:a:iconics:mobilehmi:-:*:*:*:*:*:*:*
cpe:2.3:a:iconics:quality_analytix:-:*:*:*:*:*:*:*
cpe:2.3:a:iconics:smart_energy_analytix:-:*:*:*:*:*:*:*
cpe:2.3:a:iconics:bizviz:-:*:*:*:*:*:*:*
cpe:2.3:a:iconics:genesis32:-:*:*:*:*:*:*:*

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