Rockwell (CVE-2020-25176)

critical Tenable.ot Plugin ID 500637

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Some commands used by the Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x eXchange Layer (IXL) protocol perform various file operations in the file system. Since the parameter pointing to the file name is not checked for reserved characters, it is possible for a remote, unauthenticated attacker to traverse an application's directory, which could lead to remote code execution.

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.

See Also

https://www.cisa.gov/uscert/ics/advisories/icsa-20-280-01

http://www.nessus.org/u?92e65ec9

http://www.nessus.org/u?4dce6d5b

http://www.nessus.org/u?659f30cf

Plugin Details

Severity: Critical

ID: 500637

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 4/28/2022

Updated: 4/28/2022

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-25176

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/o:rockwellautomation:micro810_firmware:-, cpe:/o:rockwellautomation:micro820_firmware:-, cpe:/o:rockwellautomation:micro830_firmware:-, cpe:/o:rockwellautomation:micro850_firmware:-, cpe:/o:rockwellautomation:micro870_firmware:-

Required KB Items: Tenable.ot/Rockwell

Exploit Ease: No known exploits are available

Patch Publication Date: 3/18/2022

Vulnerability Publication Date: 3/18/2022

Reference Information

CVE: CVE-2020-25176

CWE: 22