CVE-2021-20591

Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R00/01/02CPU all versions, R04/08/16/32/120(EN)CPU all…

published June 11, 2021

CVSS
—
EPSS
1%
Percentile
74.0
In the wild
Unconfirmed
What it is

Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R00/01/02CPU all versions, R04/08/16/32/120(EN)CPU all versions, R08/16/32/120SFCPU all versions, R08/16/32/120PCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to prevent legitimate clients from connecting to the MELSOFT transmission port (TCP/IP) by not closing a connection properly, which may lead to a denial of service (DoS) condition.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01497 · 74.0th percentile
Published
2021-06-11T15:52Z
EPSS history
Timeline
  • 11 JUN 15:52Z
    Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R00/01/02CPU all versions, R04/08/16/32/120(EN)CPU all…
    cvelistv5