CVE-2021-27478

EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types

State: Published
Severity: 8.2 High
Published: May 12, 2022
Updated: Apr 16, 2025
Reserved: Feb 19, 2021

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	Score	Vector	Source
3.1	8.2 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H	icscert

Weaknesses

CWE-681 Incorrect Conversion between Numeric Types

Affected Products

Product	Versions
OpENer EtherNet/IPEIPStackGroup	before Feb 10, 2021Affected

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02
https://github.com/EIPStackGroup/OpENer

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