Detections
Analytics

Schneider Electric Modicon Credentials Management Errors (CVE-2020-7533)

critical Tenable OT Security Plugin ID 501203

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A CWE-255: Credentials Management vulnerability exists in Web Server on Modicon M340, Modicon Quantum and ModiconPremium Legacy offers and their Communication Modules (see security notification for version information) which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

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.se.com/ww/en/download/document/SEVD-2020-287-01/

Plugin Details

Severity: Critical

ID: 501203

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 6/29/2023

Updated: 8/22/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-7533

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:schneider-electric:140cpu65260_firmware, cpe:/o:schneider-electric:140noe77111_firmware, cpe:/o:schneider-electric:140noc77101_firmware, cpe:/o:schneider-electric:140noc78000_firmware, cpe:/o:schneider-electric:bmxnoc0401_firmware, cpe:/o:schneider-electric:bmxnoe0100_firmware, cpe:/o:schneider-electric:bmxnoe0110_firmware, cpe:/o:schneider-electric:bmxp341000_firmware, cpe:/o:schneider-electric:bmxp342000_firmware, cpe:/o:schneider-electric:bmxp3420102_firmware, cpe:/o:schneider-electric:tsxety4103_firmware, cpe:/o:schneider-electric:tsxety5103_firmware, cpe:/o:schneider-electric:tsxp574634_firmware, cpe:/o:schneider-electric:tsxp575634_firmware, cpe:/o:schneider-electric:tsxp576634_firmware, cpe:/o:schneider-electric:bmxp3420302_firmware:3

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 12/1/2020

Vulnerability Publication Date: 12/1/2020

Reference Information

CVE: CVE-2020-7533