Rockwell (CVE-2020-13573)

high Tenable.ot Plugin ID 500472

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 500472

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 2/7/2022

Updated: 2/7/2022

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-13573

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/a:rockwellautomation:rslinx:2.57.00.14:cpr9_sr3:~~classic~~~

Required KB Items: Tenable.ot/Rockwell

Exploit Ease: No known exploits are available

Patch Publication Date: 1/7/2021

Vulnerability Publication Date: 1/7/2021

Reference Information

CVE: CVE-2020-13573

CWE: 119