VULNERABILITY INTELLIGENCE

CVE-2021-20986

CVSS score7.5 HIGH

EPSS probability1.04%

CISA KEVNot currently listed

Published2021-02-16

Last modified2026-06-17

Description

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.