CVE-2021-27500 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00129.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Opener Project	Opener

Configuration 1 [-]

cpe:2.3:a:opener_project:opener:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-14254	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.

Fixes

Solution

The maintainer of OpENer recommends those affected to apply the latest commits available.

Workaround

No workaround given by the vendor.

References

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

History

Wed, 16 Apr 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2022-05-12T19:20:00.000Z

Updated: 2025-04-16T16:22:11.255Z

Reserved: 2021-02-19T00:00:00.000Z

Link: CVE-2021-27500

Vulnrichment

Updated: 2024-08-03T21:26:09.733Z

NVD

Status : Modified

Published: 2022-05-12T20:15:13.920

Modified: 2024-11-21T05:58:06.953

Link: CVE-2021-27500

Redhat

No data.

OpenCVE Enrichment

No data.

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