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I. Basic Information for CVE-2021-33539
Vulnerability Information

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Vulnerability Title
WEIDMUELLER: WLAN devices affected by authentication bypass vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Weidmueller Industrial WLAN devices in multiple versions an exploitable authentication bypass vulnerability exists in the hostname processing. A specially configured device hostname can cause the device to interpret selected remote traffic as local traffic, resulting in a bypass of web authentication. An attacker can send authenticated SNMP requests to trigger this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Weidmueller Industrial WLAN devices 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weidmueller Industrial WLAN devices是德国Weidmueller公司的一个工控WIAN。 Weidmueller Industrial WLAN 存在安全漏洞,该漏洞源于专门配置的设备主机名可能会导致设备将选定的远程流量解释为本地流量,从而绕过 Web 身份验证。
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
WeidmüllerIE-WL(T)-BL-AP-CL-XX IE-WL-BL-AP-CL-EU (2536600000) ~ V1.16.18 (Build 18081617) -
WeidmüllerIE-WL(T)-VL-AP-CL-XX IE-WL-VL-AP-BR-CL-EU (2536680000) ~ V1.11.10 (Build 18122616) -
II. Public POCs for CVE-2021-33539
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III. Intelligence Information for CVE-2021-33539
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