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I. Basic Information for CVE-2021-22699
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when specific crafted requests are sent to the controller over HTTP.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Schneider Electric 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric 存在输入验证错误漏洞，该漏洞源于在V5.1.9.1之前的Modicon M241/M251逻辑控制器固件中存在不正确的输入验证漏洞，攻击者通过精心制作的请求通过HTTP发送给控制器时，可能会导致拒绝服务。
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
-Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 -
II. Public POCs for CVE-2021-22699
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III. Intelligence Information for CVE-2021-22699
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IV. Related Vulnerabilities
Same vendor: n/a
Same weakness: CWE-20
V. Comments for CVE-2021-22699

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