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01 Record

CVE-2019-6535

Mitsubishi Electric MELSEC-Q Series PLCs Resource Exhaustion

HighPUBLISHEDCNA: icscert
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

Mitsubishi Electric MELSEC-Q Series PLCs Resource Exhaustion

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.27% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 90.7% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-02-05 19:00Z7 YR AGO
Last updated
2025-06-26 17:08Z1 YR AGO
Reserved
2019-01-22
Assigning CNA
icscert
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-400Uncontrolled Resource ConsumptionClass
Data version
5.1
Document digest
83c3b1f575575b8a228493783c38c7426a6d8af6ff0526a3cf6e500f2223e52e

05 Affected products

VendorProductVersionsPlatforms
Mitsubishi ElectricQ03/04/06/13/26UDVCPU0 to serial number 20081—
Mitsubishi ElectricQ04/06/13/26UDPVCPU0 to serial number 20081—
Mitsubishi ElectricQ03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU0 to serial number 20101—

06 References

07 Remediation

Mitsubishi Electric has produced a new version of the firmware. Additional information about this vulnerability or Mitsubishi Electric's compensating control is available by contacting a local Mitsubishi Electric representative, which can be found at the following location: https://us.mitsubishielectric.com/fa/en/about-us/distributors Mitsubishi Electric strongly recommends users should operate the affected device behind a firewall.