CVE-2021-27478

HIGH

EIPStackGroup OpENer EtherNet/IP <Feb 10, 2021 - DoS

Title source: llm
STIX 2.1

Description

A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may cause a denial-of-service condition.

Scores

CVSS v3 8.2
EPSS 0.0013
EPSS Percentile 31.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-681
Status published
Products (1)
opener_project/opener < 2.3
Published May 12, 2022
Tracked Since Feb 18, 2026