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.

CVSS v3 5.9 MEDIUM
CVSS v2.0 7.1 HIGH

5.9^/10

CVSS v3 : MEDIUM

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

7.1^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:C

Exploitability : 8.6 / Impact : 6.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
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
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:mitsubishielectric:r12ccpu-v_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mitsubishielectric:r12ccpu-v:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-10-08 17:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-20600

Mitre link : CVE-2021-20600

CVE.ORG link : CVE-2021-20600

JSON object : View

Products Affected

mitsubishielectric

r12ccpu-v
r12ccpu-v_firmware

CWE

CWE-400

Uncontrolled Resource Consumption

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