CVE-2021-20592
Quick assessment
Affected
n/a GOT2000 series GT27 model; GT25 model; GT23 model; GT SoftGOT2000
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mitsubishi Electric GOT2000是日本三菱电机（Mitsubishi Electric）公司的一款GOT2000系列图形操作终端。 Mitsubishi Electric GOT2000 存在安全漏洞，该漏洞源于通过快速、反复地连接和断开GOT上的MODBUS TCP通信端口来停止产品的通信功能。攻击者可利用该漏洞导致拒绝服务状态，需要重启硬件和软件才能恢复。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-20592
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mitsubishi Electric GOT2000 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric GOT2000是日本三菱电机（Mitsubishi Electric）公司的一款GOT2000系列图形操作终端。 Mitsubishi Electric GOT2000 存在安全漏洞，该漏洞源于通过快速、反复地连接和断开GOT上的MODBUS TCP通信端口来停止产品的通信功能。攻击者可利用该漏洞导致拒绝服务状态，需要重启硬件和软件才能恢复。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | GOT2000 series GT27 model; GT25 model; GT23 model; GT SoftGOT2000 | communication driver versions 01.19.000 through 01.39.010 | - |
|
II. Public POCs for CVE-2021-20592
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-20592 (1)
-
https://jvn.jp/vu/JVNVU92414172/index.html x_refsource_MISC
Other References for CVE-2021-20592 (1)
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IV. Related Vulnerabilities
V. Comments for CVE-2021-20592
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