CVE-2021-33530

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 encrypted diagnostic script functionality of the devices. A specially crafted diagnostic script file can cause arbitrary busybox commands to be executed, resulting in remote control over the device. An attacker can send diagnostic while authenticated as a low 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

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.37% 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-2021-33530?
CVE-2021-33530 has been scored as a high severity vulnerability.
How to fix CVE-2021-33530?
To fix CVE-2021-33530: 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-2021-33530 being actively exploited in the wild?
It is possible that CVE-2021-33530 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33530?
CVE-2021-33530 affects Weidmüller IE-WL(T)-BL-AP-CL-XX, Weidmüller IE-WL(T)-VL-AP-CL-XX.
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