CVE-2021-27498

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-617

Affected software

Vendor	Product	Versions
EIPStackGroup	OpENer EtherNet/IP	>= unspecified, < Feb 10, 2021

References

https://github.com/EIPStackGroup/OpENerThird Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02Third Party Advisory, US Government Resource
https://github.com/EIPStackGroup/OpENerThird Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02Third Party Advisory, US Government Resource

Timeline

Published: May 12, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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