Privilege escalation in Weidmueller Ie-Wl-Bl-Ap-Cl-Eu
CVE-2021-33538
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.
Vulnerability class: Privilege Escalation
EPSS: 0.010 (61.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Weidmueller Ie-wl-bl-ap-cl-eu
- Weidmueller Ie-wl-bl-ap-cl-eu_firmware
- Weidmueller Ie-wl-bl-ap-cl-us
- Weidmueller Ie-wl-bl-ap-cl-us_firmware
- Weidmueller Ie-wlt-bl-ap-cl-eu
- Weidmueller Ie-wlt-bl-ap-cl-eu_firmware
- Weidmueller Ie-wlt-bl-ap-cl-us
- Weidmueller Ie-wlt-bl-ap-cl-us_firmware
- Weidmueller Ie-wlt-vl-ap-br-cl-eu
- Weidmueller Ie-wlt-vl-ap-br-cl-eu_firmware
Weakness classification (CWE)
References
- info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33538?
- CVE-2021-33538 is a high-severity vulnerability in Weidmueller Ie-Wl-Bl-Ap-Cl-Eu, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2021-06-25.
- How severe is CVE-2021-33538?
- High severity. CVSS v3 base score is 8.8 out of 10.