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CVE-2021-20827

Quick assessment

Affected
IDEC Corporation IDEC PLC
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.

IDEC PLC是一个可编程控制器。 IDEC PLC 存在安全漏洞，攻击者可以从文件服务器、备份存储库或保存在SD卡中的ZLD文件获取PLC Web服务器用户凭据。以下产品及版本收到影响：FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT

AI Predicted 7.5 Difficulty: Easy EPSS 0.59% · P45
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I. Basic Information for CVE-2021-20827

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Plaintext storage of a password vulnerability in IDEC PLCs (FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT Lite v1.3.1 and earlier, and Data File Manager v2.12.1 and earlier) allows an attacker to obtain the PLC Web server user credentials from file servers, backup repositories, or ZLD files saved in SD cards. As a result, the attacker may access the PLC Web server and hijack the PLC, and manipulation of the PLC output and/or suspension of the PLC may be conducted.
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
IDEC PLC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IDEC PLC是一个可编程控制器。 IDEC PLC 存在安全漏洞，攻击者可以从文件服务器、备份存储库或保存在SD卡中的ZLD文件获取PLC Web服务器用户凭据。以下产品及版本收到影响：FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT
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
IDEC Corporation IDEC PLC FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT Lite v1.3.1 and earlier, and Data File Manager v2.12.1 and earlier -

II. Public POCs for CVE-2021-20827

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III. Intelligence Information for CVE-2021-20827

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Vendor Advisories for CVE-2021-20827 (1)

Other References for CVE-2021-20827 (1)

IV. Related Vulnerabilities

Same product: IDEC PLC
Same vendor: IDEC Corporation

V. Comments for CVE-2021-20827

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