Vulnerability · Published May 12, 2022 · Assigned by icscert

CVE-2021-27478EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types

High 8.2

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 1.2% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)1.2%top 32.8% 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 cause a denial-of-service condition.

Affected products (as reported)

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

Weakness: CWE-681 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

References