CVE-2021-20591

2021-06-1115:52:45

Mitsubishi

www.cve.org

0.002 Low

EPSS

Percentile

61.6%

JSON

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.

CNA Affected

[
  {
    "product": "MELSEC iQ-R series CPU modules",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "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"
      }
    ]
  }
]