CVE-2021-33539

Summary

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.

Affected Software

VendorProductVersion RangeStatus
WeidmüllerIE-WL(T)-BL-AP-CL-XXIE-WL-BL-AP-CL-EU (2536600000) <= V1.16.18 (Build 18081617)affected
WeidmüllerIE-WL(T)-BL-AP-CL-XXIE-WLT-BL-AP-CL-EU (2536650000) <= V1.16.18 (Build 18081617)affected
WeidmüllerIE-WL(T)-BL-AP-CL-XXIE-WL-BL-AP-CL-US (2536660000) <= V1.16.18 (Build 18081617)affected
WeidmüllerIE-WL(T)-BL-AP-CL-XXIE-WLT-BL-AP-CL-US (2536670000) <= V1.16.18 (Build 18081617)affected
WeidmüllerIE-WL(T)-VL-AP-CL-XXIE-WL-VL-AP-BR-CL-EU (2536680000) <= V1.11.10 (Build 18122616)affected
WeidmüllerIE-WL(T)-VL-AP-CL-XXIE-WLT-VL-AP-BR-CL-EU (2536690000) <= V1.11.10 (Build 18122616)affected
WeidmüllerIE-WL(T)-VL-AP-CL-XXIE-WL-VL-AP-BR-CL-US (2536700000) <= V1.11.10 (Build 18122616)affected
WeidmüllerIE-WL(T)-VL-AP-CL-XXIE-WLT-VL-AP-BR-CL-US (2536710000) <= V1.11.10 (Build 18122616)affected

Weaknesses

  • CWE-287: CWE-287 Improper Authentication

ADP Enrichment

CVE Program Container

Additional References

References