CVE-2021-21001— WAGO: PFC200 Access to files outside the home directory
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-21001
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
WAGO: PFC200 Access to files outside the home directory
Source: NVD (National Vulnerability Database)
Vulnerability Description
On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WAGO 路径遍历漏洞
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，该漏洞源于具有特殊数据包的授权攻击者可利用该漏洞可以以更高的权限访问设备的网络访问文件系统。
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-2021-21001
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-21001
请登录查看更多情报信息。
- https://cert.vde.com/en-us/advisories/vde-2021-014x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-21001
IV. Related Vulnerabilities
Same vendor: WAGO
Same weakness: CWE-22
- CVE-2026-8274
npitre cramfs-tools Directory cramfsck.c do_directory path t - CVE-2022-50956
WordPress Plugin amministrazione-aperta 3.7.3 Local File Rea - CVE-2026-8215
Industrial Application Software IAS Canias ERP RMI iasReques - CVE-2026-42605
AzuraCast: Path Traversal in `currentDirectory` Parameter En - CVE-2026-42574
apko dirFS has a symlink-following path traversal that allow
V. Comments for CVE-2021-21001
No comments yet