CVE-2020-12011

highpriority · attend · 49EPSS 0.292 · 98 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

29.2% (98th) EPSS

CVSS 7.5 · high

Is it mine?

39 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationMC Works32cisa_csaf_ot
Mitsubishi Electric recommends updating to the latest software version or applying security patches.
MitigationMC Works64cisa_csaf_ot
Mitsubishi Electric recommends updating to the latest software version or applying security patches.
MitigationAnalytiXcisa_csaf_ot
ICONICS is releasing a patch for v10.96, v10.95.5, and v10.95.2 of GENESIS64.
MitigationBizVizcisa_csaf_ot
ICONICS is releasing a patch for v10.96, v10.95.5, and v10.95.2 of GENESIS64.
MitigationGENESIS32cisa_csaf_ot
ICONICS is releasing a patch for v10.96, v10.95.5, and v10.95.2 of GENESIS64.
MitigationGENESIS64cisa_csaf_ot
ICONICS is releasing a patch for v10.96, v10.95.5, and v10.95.2 of GENESIS64.
MitigationHyper Historiancisa_csaf_ot
ICONICS is releasing a patch for v10.96, v10.95.5, and v10.95.2 of GENESIS64.
MitigationMobileHMIcisa_csaf_ot
ICONICS is releasing a patch for v10.96, v10.95.5, and v10.95.2 of GENESIS64.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-787USCWE-787US

affected products (39)

Products and version ranges known to be affected.

AnalytiX: v10.96 and priorall versionscisa_csaf_otUS
BizViz: v9.5 and priorall versionscisa_csaf_otUS
GENESIS32: v9.5 and priorall versionscisa_csaf_otUS
GENESIS64: v10.96 and priorall versionscisa_csaf_otUS
Hyper Historian: v10.96 and priorall versionscisa_csaf_otUS
MC Works32: Version 3.00A (9.50.255.02)all versionscisa_csaf_otUS
MC Works64: Version 4.02C (10.95.208.31) and earlier all versionsall versionscisa_csaf_otUS
MobileHMI: v10.96 and priorall versionscisa_csaf_otUS
ICONICS AnalytiX≤ 10.96cisa_csaf_otUS
ICONICS BizViz≤ 9.5cisa_csaf_otUS
ICONICS GENESIS32≤ 9.5cisa_csaf_otUS
ICONICS GENESIS64≤ 10.96cisa_csaf_otUS
ICONICS Hyper Historian≤ 10.96cisa_csaf_otUS
ICONICS MobileHMI≤ 10.96cisa_csaf_otUS
Mitsubishi Electric MC Works32all versionscisa_csaf_otUS
Mitsubishi Electric MC Works64≤ Version 4.02C (aka <= Version 10.95.208.31)cisa_csaf_otUS
n/a GenBroker32≤ v9.5 and priorenisa_euvdEU
n/a ICONICS GenBroker64, Platform Services, Workbench, FrameWorX Server≤ v10.96 and priorenisa_euvdEU
n/a MC Works32≤ Version 3.00A (9.50.255.02)enisa_euvdEU
n/a Mitsubishi Electric MC Works64≤ all versionsenisa_euvdEU

showing 20 of 39

advisories (2)

Vendor and ecosystem advisories describing this.

ICSA-20-170-02Mitsubishi Electric MC Works64, MC Works322020-06-18icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities may allow remote code execution, a denial-of-service condition, information disclosure, or information tampering.
ICSA-20-170-03ICONICS GENESIS64, GENESIS322020-06-18icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities may allow remote code execution or denial of service.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot NVD CVE.org MITRE

published 2020-07-16modified 2026-06-17

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references (11)

External citations — patches, advisories, analysis.

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