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

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2020-5666

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
16/11/2020
Last modified:
03/12/2020

Description

Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versions from '05' to '19' and R04/08/16/32/120(EN)CPU Firmware versions from '35' to '51') allows a remote attacker to cause an error in a CPU unit via a specially crafted HTTP packet, which may lead to a denial-of-service (DoS) condition in execution of the program and its communication.

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:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:mitsubishielectric:melsec_iq-r00_firmware:*:*:*:*:*:*:*:* 05 (including) 19 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r00:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r01_firmware:*:*:*:*:*:*:*:* 05 (including) 19 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r01:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r02_firmware:*:*:*:*:*:*:*:* 05 (including) 19 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r02:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r04_firmware:*:*:*:*:*:*:*:* 35 (including) 51 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r04:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r16_firmware:*:*:*:*:*:*:*:* 35 (including) 51 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r16:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r08_firmware:*:*:*:*:*:*:*:* 35 (including) 51 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r08:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r32_firmware:*:*:*:*:*:*:*:* 35 (including) 51 (including)
cpe:2.3:h:mitsubishielectric:melsec_iq-r32:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-r120_firmware:*:*:*:*:*:*:*:* 35 (including) 51 (including)

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


References to Advisories, Solutions, and Tools