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CVE-2021-20609

Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-...

Published: Dec 1, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-400
NVD MITRE
7.5CVSSHIGH
EPSS Score
3.1%
Top 14.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Successful exploitation of these vulnerabilities could allow a remote attacker to cause a denial-of-service condition. Recovery requires a system reset.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-400

Affected Products

MELSEC iQ R16MTCPUMitsubishi Electric CorporationICS / OT / IoT
MELSEC iQ R32MTCPUMitsubishi Electric CorporationICS / OT / IoT
MELSEC iQ R64MTCPUMitsubishi Electric CorporationICS / OT / IoT
MELSEC iQ R00 CPUMitsubishi Electric CorporationICS / OT / IoT
MELSEC iQ R01 CPUMitsubishi Electric CorporationICS / OT / IoT
mitsubishi electric corporationcommercialJPICS / OT / IoTaka mitsubishi electric
and 162 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02
us-cert.cisa.gov
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf
mitsubishielectric.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-334-02.json
raw.githubusercontent.com
and 15 more references View all →

Timeline

Published
Dec 1, 2021
Last Updated
Nov 21, 2024

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