CVE-2021-20986 HIGH

CVE-2021-20986: Hilscher: Denial of Service vulnerability in PROFINET IO Device

Vendor Hilscher
Product PROFINET IO Device
Weakness CWE-787
Published February 16, 2021
Last update September 16, 2024
View on NVD All CVEs

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

A Denial of Service vulnerability was found in Hilscher PROFINET IO Device V3 in versions prior to V3.14.0.7. This may lead to unexpected loss of cyclic communication or interruption of acyclic communication.

Key dates

02Disclosure timeline

February 16, 2021 CVE published
September 16, 2024 Record updated