CVE-2021-33537

Published: Jun 25, 2021Modified: Nov 21, 2024

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable remote code execution vulnerability exists in the iw_webs configuration parsing functionality. A specially crafted user name entry can cause an overflow of an error message buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

Affected (16)

Products: Weidmueller: 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

Weidmueller

8 products

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

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Weidmueller Ie Wl Bl Ap Cl Eu Firmware	Up to 1.16.18

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Weidmueller Ie Wlt Bl Ap Cl Eu Firmware	Up to 1.16.18

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Weidmueller Ie Wl Bl Ap Cl Us Firmware	Up to 1.16.18

Configuration D

1 vulnerable

Vulnerable Software	Affected Versions
Weidmueller Ie Wlt Bl Ap Cl Us Firmware	Up to 1.16.18

Configuration E

1 vulnerable

Vulnerable Software	Affected Versions
Weidmueller Ie Wl Vl Ap Br Cl Eu Firmware	Up to 1.16.18

Configuration F

1 vulnerable

Vulnerable Software	Affected Versions
Weidmueller Ie Wlt Vl Ap Br Cl Eu Firmware	Up to 1.16.18

Configuration G

1 vulnerable

Vulnerable Software	Affected Versions
Weidmueller Ie Wl Vl Ap Br Cl Us Firmware	Up to 1.16.18

Configuration H

1 vulnerable

Vulnerable Software	Affected Versions
Weidmueller Ie Wlt Vl Ap Br Cl Us Firmware	Up to 1.16.18

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Weidmueller Ie Wl Bl Ap Cl Eu Firmware	Up to 1.11.10

Running on/with	Platform Versions
Weidmueller Ie Wl Bl Ap Cl Eu	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Weidmueller Ie Wlt Bl Ap Cl Eu Firmware	Up to 1.11.10

Running on/with	Platform Versions
Weidmueller Ie Wlt Bl Ap Cl Eu	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Weidmueller Ie Wl Bl Ap Cl Us Firmware	Up to 1.11.10

Running on/with	Platform Versions
Weidmueller Ie Wl Bl Ap Cl Us	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Weidmueller Ie Wlt Bl Ap Cl Us Firmware	Up to 1.11.10

Running on/with	Platform Versions
Weidmueller Ie Wlt Bl Ap Cl Us	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Weidmueller Ie Wl Vl Ap Br Cl Eu Firmware	Up to 1.11.10

Running on/with	Platform Versions
Weidmueller Ie Wl Vl Ap Br Cl Eu	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Weidmueller Ie Wlt Vl Ap Br Cl Eu Firmware	Up to 1.11.10

Running on/with	Platform Versions
Weidmueller Ie Wlt Vl Ap Br Cl Eu	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Weidmueller Ie Wl Vl Ap Br Cl Us Firmware	Up to 1.11.10

Running on/with	Platform Versions
Weidmueller Ie Wl Vl Ap Br Cl Us	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Weidmueller Ie Wlt Vl Ap Br Cl Us Firmware	Up to 1.11.10

Running on/with	Platform Versions
Weidmueller Ie Wlt Vl Ap Br Cl Us	All versions

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (2)

https://cert.vde.com/en-us/advisories/vde-2021-026

Source: info@cert.vde.com

Third Party Advisory

https://cert.vde.com/en-us/advisories/vde-2021-026

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.