CVE-2021-33529 | BDVDB-2026-156010 Detail

WeidmüllerIE-WL(T)-BL-AP-CL-XX

Description#

In Weidmueller Industrial WLAN devices in multiple versions the usage of hard-coded cryptographic keys within the service agent binary allows for the decryption of captured traffic across the network from or to the device.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-798 Use of Hard-coded Credentials

References#

https://cert.vde.com/en-us/advisories/vde-2021-026

Exploit#

No public exploit known

History#

Version 12021-06-25Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2021-06-25
Last modified: 2024-09-16

Vendor information

Vendor: Weidmüller
Product: IE-WL(T)-BL-AP-CL-XX

All Weidmüller vulnerabilities

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 61.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Hard-coded Credentials

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= IE-WL-BL-AP-CL-EU (2536600000) and <= V1.16.18 (Build 18081617)
Fixed
Not stated
Vulnerable
>= IE-WLT-BL-AP-CL-EU (2536650000) and <= V1.16.18 (Build 18081617)
Fixed
Not stated
Vulnerable
>= IE-WL-BL-AP-CL-US (2536660000) and <= V1.16.18 (Build 18081617)
Fixed
Not stated
Vulnerable
>= IE-WLT-BL-AP-CL-US (2536670000) and <= V1.16.18 (Build 18081617)
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).