Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-13238

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
10/06/2020
Last modified:
23/06/2020

Description

Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers to halt the industrial process by sending an unauthenticated crafted packet over the network, because this denial of service attack consumes excessive CPU time. After halting, physical access to the PLC is required in order to restore production.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:mitsubishielectric:melsec_iq-r00cpu_firmware:*:*:*:*:*:*:*:* 7 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r00cpu:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r01cpu_firmware:*:*:*:*:*:*:*:* 7 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r01cpu:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r02cpu_firmware:*:*:*:*:*:*:*:* 7 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r02cpu:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r04cpu_firmware:*:*:*:*:*:*:*:* 39 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r04cpu:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r08cpu_firmware:*:*:*:*:*:*:*:* 39 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r08cpu:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r16cpu_firmware:*:*:*:*:*:*:*:* 39 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r16cpu:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r32cpu_firmware:*:*:*:*:*:*:*:* 39 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r32cpu:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r120cpu_firmware:*:*:*:*:*:*:*:* 39 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools