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CVE-2021-20675

Quick assessment

Affected
M-System Co., Ltd. M-System DL8 series
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.

M-System Giken Co M-System DL8是日本 （M-System Giken Co）公司的一个以太网适配器。提供设计用于连接DL8和R8系列模块的类型。 M-System Giken Co M-System DL8 存在安全漏洞，该漏洞源于未授权攻击者执行DoS攻击。

AI Predicted 6.5 Difficulty: Moderate EPSS 1.38% · P72

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-20675

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
M-System DL8 series (type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0) allows remote authenticated attackers to cause a denial of service (DoS) condition via unspecified vectors.
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
M-System Giken Co M-System DL8 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
M-System Giken Co M-System DL8是日本 （M-System Giken Co）公司的一个以太网适配器。提供设计用于连接DL8和R8系列模块的类型。 M-System Giken Co M-System DL8 存在安全漏洞，该漏洞源于未授权攻击者执行DoS攻击。
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
M-System Co., Ltd. M-System DL8 series type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0 -

II. Public POCs for CVE-2021-20675

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20675

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Vendor Advisories for CVE-2021-20675 (1)

IV. Related Vulnerabilities

Same product: M-System DL8 series
Same vendor: M-System Co., Ltd.

V. Comments for CVE-2021-20675

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