CVE-2021-21000— WAGO: PFC200 Denial of Service due to the number of connections to the runtime
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I. Basic Information for CVE-2021-21000
Vulnerability Information
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Vulnerability Title
WAGO: PFC200 Denial of Service due to the number of connections to the runtime
Source: NVD (National Vulnerability Database)
Vulnerability Description
On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.
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:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
WAGO 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAGO是德国万可（WAGO）的一款750-88x系列可编程逻辑控制器。该设备专门为在工业环境下应用而设计的数字运算操作电子系统。 WAGO PFC200设备存在安全漏洞，该漏洞源于对设备进行网络访问的攻击者可利用该漏洞可能会对运行时的登录服务造成拒绝服务。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WAGO | Series PFC200 Controller | 750-823 ~ FW07 | - | |
| WAGO | Series Ethernet Controller | 750-8202/xxx-xxx ~ 03.06.19 (18) | - |
II. Public POCs for CVE-2021-21000
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://cert.vde.com/en-us/advisories/vde-2021-014x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-21000
IV. Related Vulnerabilities
Same vendor: WAGO
Same weakness: CWE-770
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V. Comments for CVE-2021-21000
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