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

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CVE-2021-20589

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
19/05/2021
Last modified:
07/11/2023

Description

Buffer access with incorrect length value vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000 and GT21 model communication driver versions 01.21.000 through 01.39.000, GOT SIMPLE series GS21 model communication driver versions 01.21.000 through 01.39.000, GT SoftGOT2000 versions 1.170C through 1.250L and Tension Controller LE7-40GU-L Screen package data for MODBUS/TCP V1.00 allows a remote unauthenticated attacker to stop the communication function of the products via specially crafted packets.

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:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:mitsubishi:gt27_firmware:*:*:*:*:*:*:*:* 01.19.000 (including) 01.38.000 (including)
cpe:2.3:h:mitsubishi:gt27:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishi:gt25_firmware:*:*:*:*:*:*:*:* 01.19.000 (including) 01.38.000 (including)
cpe:2.3:h:mitsubishi:gt25:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishi:gt23_firmware:*:*:*:*:*:*:*:* 01.19.000 (including) 01.38.000 (including)
cpe:2.3:h:mitsubishi:gt23:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishi:gt21_firmware:*:*:*:*:*:*:*:* 01.21.000 (including) 01.39.000 (including)
cpe:2.3:h:mitsubishi:gt21:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishi:gs21_firmware:*:*:*:*:*:*:*:* 01.21.000 (including) 01.39.000 (including)
cpe:2.3:h:mitsubishi:gs21:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishi:gt_softgot2000_firmware:*:*:*:*:*:*:*:* 1.170c (including) 1.250l (including)
cpe:2.3:h:mitsubishi:gt_softgot2000:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools