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CVE-2021-33536

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CVE-2021-33536

Published: Jun 25, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable denial-of-service vulnerability exists in ServiceAgent functionality. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.

VendorProductVersions

Weidmüller

IE-WL(T)-BL-AP-CL-XX

affected
IE-WL-BL-AP-CL-EU (2536600000) - <= V1.16.18 (Build 18081617)
affected
IE-WLT-BL-AP-CL-EU (2536650000) - <= V1.16.18 (Build 18081617)
affected
IE-WL-BL-AP-CL-US (2536660000) - <= V1.16.18 (Build 18081617)
affected
IE-WLT-BL-AP-CL-US (2536670000) - <= V1.16.18 (Build 18081617)

Weidmüller

IE-WL(T)-VL-AP-CL-XX

affected
IE-WL-VL-AP-BR-CL-EU (2536680000) - <= V1.11.10 (Build 18122616)
affected
IE-WLT-VL-AP-BR-CL-EU (2536690000) - <= V1.11.10 (Build 18122616)
affected
IE-WL-VL-AP-BR-CL-US (2536700000) - <= V1.11.10 (Build 18122616)
affected
IE-WLT-VL-AP-BR-CL-US (2536710000) - <= V1.11.10 (Build 18122616)

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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