Vulnerability Report

CVE-2021-20589

Title: Mitsubishi Electric GOT2000/GS21/GT SoftGOT2000 Buffer Access with Incorrect Length Value

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2021-20589.

CWE Category CWE-119

Published Date May 19, 2021

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

1.48%

Vulnerability Summary

CVE-2021-20589: 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.

Impacted Vendors

mitsubishi 6

Reference Links

https://jvn.jp/vu/JVNVU99895108/index.html https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-002_en.pdf https://jvn.jp/vu/JVNVU99895108/index.html https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-002_en.pdf

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20589 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

May 19, 2021 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.