CVE-2021-34581 HIGH

CVE-2021-34581: WAGO: Denial of Service vulnerability inside the OpenSSL implementation

Vendor Wago
Product 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889
Weakness CWE-772
Published August 31, 2021
Last update September 17, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.

Key dates

02Disclosure timeline

August 31, 2021 CVE published
September 17, 2024 Record updated