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I. Basic Information for CVE-2018-7791
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to overwrite the original password with their password. If an attacker exploits this vulnerability and overwrite the password, the attacker can upload the original program from the PLC.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Schneider Electric Modicon M221 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric Modicon M221是法国施耐德电气（Schneider Electric）公司的一款可编程逻辑控制器。 使用1.6.2.0之前版本固件的Schneider Electric Modicon M221中存在授权问题漏洞。远程攻击者可利用该漏洞覆盖原有的密码并可能从PLC中上传原始的程序。
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
VendorProductAffected VersionsCPESubscribe
Schneider Electric SEModicon M221, all references, all versions prior to firmware V1.6.2.0 Modicon M221, all references, all versions prior to firmware V1.6.2.0 -
II. Public POCs for CVE-2018-7791
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III. Intelligence Information for CVE-2018-7791
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IV. Related Vulnerabilities
Same product: Modicon M221, all references, all versions prior to firmware V1.6.2.0
Same vendor: Schneider Electric SE
V. Comments for CVE-2018-7791

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