CVE-2021-20998— WAGO: Managed Switches: Unauthorized creation of user accounts
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I. Basic Information for CVE-2021-20998
Vulnerability Information
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Vulnerability Title
WAGO: Managed Switches: Unauthorized creation of user accounts
Source: NVD (National Vulnerability Database)
Vulnerability Description
In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WAGO 访问控制错误漏洞
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 存在安全漏洞。攻击者可以使用特制的数据包创建用户。
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 | 0852-0303 | unspecified ~ V1.2.3.S0 | - | |
| WAGO | 0852-1305 | unspecified ~ V1.1.7.S0 | - | |
| WAGO | 0852-1505 | unspecified ~ V1.1.6.S0 | - | |
| WAGO | 0852-1305/000-001 | unspecified ~ V1.0.4.S0 | - | |
| WAGO | 0852-1505/000-001 | unspecified ~ V1.0.4.S0 | - |
II. Public POCs for CVE-2021-20998
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://cert.vde.com/en-us/advisories/vde-2021-013x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-20998
Same Patch Batch · WAGO · 2021-05-13 · 6 CVEs total
| CVE-2021-20994 | 8.8 HIGH | WAGO: Managed Switches: Reflected Cross-site Scripting |
| CVE-2021-20997 | 7.5 HIGH | WAGO: Managed Switches: Unauthorized access to password hashes |
| CVE-2021-20993 | 5.3 MEDIUM | WAGO: Managed Switches: Exposure of sensitive information through directory listing |
| CVE-2021-20995 | 5.3 MEDIUM | WAGO: Managed Switches: Storage of user credentials in a cookie |
| CVE-2021-20996 | 5.3 MEDIUM | WAGO: Managed Switches: Unsecure Cookie settings |
IV. Related Vulnerabilities
Same product: 0852-0303
- CVE-2021-20993
WAGO: Managed Switches: Exposure of sensitive information th - CVE-2021-20994
WAGO: Managed Switches: Reflected Cross-site Scripting - CVE-2021-20995
WAGO: Managed Switches: Storage of user credentials in a coo - CVE-2021-20996
WAGO: Managed Switches: Unsecure Cookie settings - CVE-2021-20997
WAGO: Managed Switches: Unauthorized access to password hash
Same vendor: WAGO
Same weakness: CWE-306
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