CVE-2021-33538

moderate-risk
Published 2021-06-25

In Weidmueller Industrial WLAN devices in multiple versions an exploitable improper access control vulnerability exists in the iw_webs account settings functionality. A specially crafted user name entry can cause the overwrite of an existing user account password, resulting in remote shell access to the device as that user. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

Do I need to act?

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0.48% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (8)

Ie-Wl-Bl-Ap-Cl-Eu Firmware
Ie-Wlt-Bl-Ap-Cl-Eu Firmware
Ie-Wl-Bl-Ap-Cl-Us Firmware
Ie-Wlt-Bl-Ap-Cl-Us Firmware
Ie-Wl-Vl-Ap-Br-Cl-Eu Firmware
Ie-Wlt-Vl-Ap-Br-Cl-Eu Firmware
Ie-Wl-Vl-Ap-Br-Cl-Us Firmware
Ie-Wlt-Vl-Ap-Br-Cl-Us Firmware

Affected Vendors

46
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 2/34 · Minimal
Exposure 14/34 · Moderate