CVE-2021-33538
Last modified
CVE-2021-33538 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 1.05% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Weidmueller | Ie-Wl-Bl-Ap-Cl-Eu Firmware | <= 1.16.18 |
| Weidmueller | Ie-Wlt-Bl-Ap-Cl-Eu Firmware | <= 1.16.18 |
| Weidmueller | Ie-Wl-Bl-Ap-Cl-Us Firmware | <= 1.16.18 |
| Weidmueller | Ie-Wlt-Bl-Ap-Cl-Us Firmware | <= 1.16.18 |
| Weidmueller | Ie-Wl-Vl-Ap-Br-Cl-Eu Firmware | <= 1.16.18 |
| Weidmueller | Ie-Wlt-Vl-Ap-Br-Cl-Eu Firmware | <= 1.16.18 |
| Weidmueller | Ie-Wl-Vl-Ap-Br-Cl-Us Firmware | <= 1.16.18 |
| Weidmueller | Ie-Wlt-Vl-Ap-Br-Cl-Us Firmware | <= 1.16.18 |
| Weidmueller | Ie-Wl-Bl-Ap-Cl-Eu Firmware | <= 1.11.10 |
| Weidmueller | Ie-Wlt-Bl-Ap-Cl-Eu Firmware | <= 1.11.10 |
| Weidmueller | Ie-Wl-Bl-Ap-Cl-Us Firmware | <= 1.11.10 |
| Weidmueller | Ie-Wlt-Bl-Ap-Cl-Us Firmware | <= 1.11.10 |
| Weidmueller | Ie-Wl-Vl-Ap-Br-Cl-Eu Firmware | <= 1.11.10 |
| Weidmueller | Ie-Wlt-Vl-Ap-Br-Cl-Eu Firmware | <= 1.11.10 |
| Weidmueller | Ie-Wl-Vl-Ap-Br-Cl-Us Firmware | <= 1.11.10 |
| Weidmueller | Ie-Wlt-Vl-Ap-Br-Cl-Us Firmware | <= 1.11.10 |
References
- https://cert.vde.com/en-us/advisories/vde-2021-026Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2021-026Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33538?
How severe is CVE-2021-33538?
How do I fix CVE-2021-33538?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-33532In Weidmueller Industrial WLAN devices in multiple versions …8.8
- CVE-2021-33533In Weidmueller Industrial WLAN devices in multiple versions …8.8
- CVE-2021-33534In Weidmueller Industrial WLAN devices in multiple versions …7.2
- CVE-2021-33535In Weidmueller Industrial WLAN devices in multiple versions …8.8
- CVE-2021-33536In Weidmueller Industrial WLAN devices in multiple versions …7.5
- CVE-2021-33537In Weidmueller Industrial WLAN devices in multiple versions …8.8
- CVE-2021-33539In Weidmueller Industrial WLAN devices in multiple versions …7.2
- CVE-2021-33540In certain devices of the Phoenix Contact AXL F BK and IL BK…7.3
- CVE-2021-33541Phoenix Contact Classic Line Controllers ILC1x0 and ILC1x1 i…7.5
- CVE-2021-33542Phoenix Contact Classic Automation Worx Software Suite in Ve…7
- CVE-2021-33543Multiple camera devices by UDP Technology, Geutebrück and ot…9.8
- CVE-2021-33544Multiple camera devices by UDP Technology, Geutebrück and ot…7.2
Are you affected by CVE-2021-33538?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
