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I. Basic Information for CVE-2021-34570
Vulnerability Information
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Vulnerability Title
Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Phoenix Contact PLCnext Control Devices 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Phoenix Contact PLCnext Control Devices是德国Phoenix Contact公司的一款应用于工业环境可编程逻辑控制器。 Phoenix Contact PLCnext Control Devices 2021.0.5LTS之前版本存在输入验证错误漏洞，该漏洞源于控制设备容易通过特殊制作的JSON请求受到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
VendorProductAffected VersionsCPESubscribe
Phoenix ContactAXC F AXC F 1152 (1151412) ~ 2021.0.5 LTS -
Phoenix ContactRFC RFC 4072S (1051328) ~ 2021.0.5 LTS -
Phoenix ContactPLCnext PLCnext Technology Starterkit (1188165) ~ 2021.0.5 LTS -
II. Public POCs for CVE-2021-34570
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III. Intelligence Information for CVE-2021-34570
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IV. Related Vulnerabilities
Same vendor: Phoenix Contact
Same weakness: CWE-20
V. Comments for CVE-2021-34570

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