CVE-2021-33534

WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability

Description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable command injection vulnerability exists in the hostname functionality. A specially crafted entry to network configuration information can cause execution of arbitrary system commands, resulting in full control of the device. An attacker can send various requests while authenticated as a high privilege user to trigger this vulnerability.

Remediation

Solution:

  • For IE-WL(T)-BL-AP-CL-XX versions V1.16.21 (Build 21010513) and greater are fixed. For IE-WL(T)-VL-AP-CL-XX versions V1.11.13 (Build 21010513) and greater are fixed.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.55% Top 20%
Third-Party Advisory vde.com
Affected: Weidmüller IE-WL(T)-BL-AP-CL-XX
Affected: Weidmüller IE-WL(T)-VL-AP-CL-XX
Published at:
Updated at:

References

Link Tags
https://cert.vde.com/en-us/advisories/vde-2021-026 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-33534?
CVE-2021-33534 has been scored as a high severity vulnerability.
How to fix CVE-2021-33534?
To fix CVE-2021-33534: For IE-WL(T)-BL-AP-CL-XX versions V1.16.21 (Build 21010513) and greater are fixed. For IE-WL(T)-VL-AP-CL-XX versions V1.11.13 (Build 21010513) and greater are fixed.
Is CVE-2021-33534 being actively exploited in the wild?
It is possible that CVE-2021-33534 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33534?
CVE-2021-33534 affects Weidmüller IE-WL(T)-BL-AP-CL-XX, Weidmüller IE-WL(T)-VL-AP-CL-XX.
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