CVE Vulnerability

CVE-2021-20600

Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions "16" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf Vendor Advisory
https://jvn.jp/vu/JVNVU94914666/index.html Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04 Third Party Advisory US Government Resource
Configurations

Configuration 1
Information

Published : 2021-10-08 05:15

Updated : 2022-07-07 04:15

NVD link : CVE-2021-20600

Mitre link : CVE-2021-20600

Products Affected
No products.
CWE
CWE-400