NVD

CVE-2021-20592 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Current Description

Missing synchronization vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.39.010, GT25 model communication driver versions 01.19.000 through 01.39.010 and GT23 model communication driver versions 01.19.000 through 01.39.010 and GT SoftGOT2000 versions 1.170C through 1.256S allows a remote unauthenticated attacker to cause DoS condition on the MODBUS/TCP slave communication function of the products by rapidly and repeatedly connecting and disconnecting to and from the MODBUS/TCP communication port on a target. Restart or reset is required to recover.

View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 7.5 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 7.8 HIGH

Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://jvn.jp/vu/JVNVU92414172/index.html
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-662	Improper Synchronization	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

5 change records found show changes

Reanalysis by NIST 8/27/2021 9:15:04 AM

Action

Type

Old Value

New Value

Changed

CPE Configuration

AND
     OR
          *cpe:2.3:o:mitsubishielectric:gt23_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010
     OR
          cpe:2.3:h:mitsubishielectric:gt23:-:*:*:*:*:*:*:*

AND
     OR
          *cpe:2.3:o:mitsubishielectric:got2000_gt23_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010
     OR
          cpe:2.3:h:mitsubishielectric:got2000_gt23:-:*:*:*:*:*:*:*

Changed

CPE Configuration

AND
     OR
          *cpe:2.3:o:mitsubishielectric:gt25_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010
     OR
          cpe:2.3:h:mitsubishielectric:gt25:-:*:*:*:*:*:*:*

AND
     OR
          *cpe:2.3:o:mitsubishielectric:got2000_gt25_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010
     OR
          cpe:2.3:h:mitsubishielectric:got2000_gt25:-:*:*:*:*:*:*:*

Changed

CPE Configuration

AND
     OR
          *cpe:2.3:o:mitsubishielectric:gt27_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010
     OR
          cpe:2.3:h:mitsubishielectric:gt27:-:*:*:*:*:*:*:*

AND
     OR
          *cpe:2.3:o:mitsubishielectric:got2000_gt27_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010
     OR
          cpe:2.3:h:mitsubishielectric:got2000_gt27:-:*:*:*:*:*:*:*

Initial Analysis by NIST 8/16/2021 11:56:07 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:mitsubishielectric:gt23_firmware::::::::* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt23:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:mitsubishielectric:gt25_firmware::::::::* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt25:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:mitsubishielectric:gt27_firmware::::::::* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt27:-:::::::*
Added	CPE Configuration		OR cpe:2.3:a:mitsubishielectric:gt_softgot2000::::::::* versions from (including) 1.170c up to (including) 1.256s
Added	CVSS V2		NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added	CWE		NIST CWE-662
Changed	Reference Type	https://jvn.jp/vu/JVNVU92414172/index.html No Types Assigned	https://jvn.jp/vu/JVNVU92414172/index.html Third Party Advisory
Changed	Reference Type	https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf No Types Assigned	https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-20592
NVD Published Date:
08/05/2021
NVD Last Modified:
11/06/2023
Source:
Mitsubishi Electric Corporation

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-20592 Detail

Current Description

Analysis Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by Mitsubishi Electric Corporation 5/14/2024 4:05:31 AM

CVE Modified by Mitsubishi Electric Corporation 11/06/2023 10:29:08 PM

CVE Source Update by Mitsubishi Electric Corporation 11/06/2023 10:29:08 PM

Reanalysis by NIST 8/27/2021 9:15:04 AM

Initial Analysis by NIST 8/16/2021 11:56:07 AM

Quick Info