Schneider (CVE-2020-25178)

high Tenable.ot Plugin ID 500639

Synopsis

The remote OT asset is affected by a vulnerability.

Description

ISaGRAF Workbench communicates with Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x using TCP/IP. This communication protocol provides various file system operations, as well as the uploading of applications. Data is transferred over this protocol unencrypted, which could allow a remote unauthenticated attacker to upload, read, and delete files.

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: High

ID: 500639

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-2020-25178

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

CPE: cpe:/o:schneider-electric:micom_c264_firmware

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 3/18/2022

Vulnerability Publication Date: 3/18/2022

Reference Information

CVE: CVE-2020-25178

CWE: 319