CVE-2019-6535

mediumpriority · track · 31EPSS 0.043 · 91 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

4.27% (91st) EPSS

CVSS 5 · medium

Is it mine?

27 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-28

Mitsubishi Electric Q03/04/06/13/26UDVCPU: serial number 20081 and prior, Q04/06/13/26UDPVCPU: serial number 20081 and prior, and Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU: serial number 20101 and prior. A remote attacker can send specific bytes over Port 5007 that will result in an Ethernet stack crash and disruption to USB communication.

remediations

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

No vendor fix yet; a mitigation is available.

MitigationQ03/04/06/13/26UDVCPUcisa_csaf_ot
Mitsubishi Electric strongly recommends that users should operate the affected device behind a firewall.
MitigationQ03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPUcisa_csaf_ot
Mitsubishi Electric strongly recommends that users should operate the affected device behind a firewall.
MitigationQ04/06/13/26UDPVCPUcisa_csaf_ot
Mitsubishi Electric strongly recommends that users should operate the affected device behind a firewall.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ics-cert@hq.dhs.gov USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400US

affected products (27)

Products and version ranges known to be affected.

Mitsubishi Electric Q03/04/06/13/26UDVCPU: <=serial_number_20081all versionscisa_csaf_otUS
Mitsubishi Electric Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU: <=serial_number_20101all versionscisa_csaf_otUS
Mitsubishi Electric Q04/06/13/26UDPVCPU: <=serial_number_20081all versionscisa_csaf_otUS
Mitsubishi Electric Q03/04/06/13/26UDVCPU≤ serial_number_20081cisa_csaf_otUS
Mitsubishi Electric Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU≤ serial_number_20101cisa_csaf_otUS
Mitsubishi Electric Q04/06/13/26UDPVCPU≤ serial_number_20081cisa_csaf_otUS
Mitsubishi Electric Q03/04/06/13/26UDVCPU≤ 0 ≤serial number 20081enisa_euvdEU
Mitsubishi Electric Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU≤ 0 ≤serial number 20101enisa_euvdEU
Mitsubishi Electric Q04/06/13/26UDPVCPU≤ 0 ≤serial number 20081enisa_euvdEU
mitsubishielectric q03udecpu firmware≤ 20101nvdUScpe:2.3:o:mitsubishielectric:q03udecpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q03udvcpu firmware≤ 20081nvdUScpe:2.3:o:mitsubishielectric:q03udvcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q04udehcpu firmware≤ 20101nvdUScpe:2.3:o:mitsubishielectric:q04udehcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q04udpvcpu firmware≤ 20081nvdUScpe:2.3:o:mitsubishielectric:q04udpvcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q04udvcpu firmware≤ 20081nvdUScpe:2.3:o:mitsubishielectric:q04udvcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q06udehcpu firmware≤ 20101nvdUScpe:2.3:o:mitsubishielectric:q06udehcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q06udpvcpu firmware≤ 20081nvdUScpe:2.3:o:mitsubishielectric:q06udpvcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q06udvcpu firmware≤ 20081nvdUScpe:2.3:o:mitsubishielectric:q06udvcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q100udehcpu firmware≤ 20101nvdUScpe:2.3:o:mitsubishielectric:q100udehcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q10udehcpu firmware≤ 20101nvdUScpe:2.3:o:mitsubishielectric:q10udehcpu_firmware:*:*:*:*:*:*:*:*
mitsubishielectric q13udehcpu firmware≤ 20101nvdUScpe:2.3:o:mitsubishielectric:q13udehcpu_firmware:*:*:*:*:*:*:*:*

showing 20 of 27

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-19-029-02Mitsubishi Electric MELSEC-Q Series PLCs2019-01-29icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow a remote attacker to send specially crafted packets to the device via Ethernet, causing Ethernet and USB communication to stop.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2019-02-05modified 2026-06-17

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references (11)

External citations — patches, advisories, analysis.

scry

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