Vulnerability · Published May 12, 2022 · Assigned by icscert

CVE-2021-27498EIPStackGroup OpENer Ethernet/IP Reachable Assertion

High 7.5

In plain English

A high-severity security flaw in OpENer EtherNet/IP from EIPStackGroup. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.3%top 28.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
EIPStackGroup OpENer EtherNet/IP unspecified – before Feb 10, 2021

Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References