Detections
Analytics

Schneider Electric Modicon Path Traversal (CVE-2020-7535)

high Tenable OT Security Plugin ID 501219

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal' Vulnerability Type) vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause disclosure of information when sending a specially crafted request to the controller over HTTP.

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-2020-343-05/

Plugin Details

Severity: High

ID: 501219

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: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-7535

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:schneider-electric:140cpu65150_firmware, cpe:/o:schneider-electric:140cpu65160_firmware, cpe:/o:schneider-electric:140noc77101_firmware, cpe:/o:schneider-electric:140noc78000_firmware, cpe:/o:schneider-electric:140noc78100_firmware, cpe:/o:schneider-electric:140noe77101_firmware, cpe:/o:schneider-electric:140noe77111_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:bmxp3420102cl_firmware, cpe:/o:schneider-electric:bmxp342020_firmware, cpe:/o:schneider-electric:bmxp3420302_firmware, cpe:/o:schneider-electric:bmxp3420302cl_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:bmxnoc0401_firmware

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 12/11/2020

Vulnerability Publication Date: 12/11/2020

Reference Information

CVE: CVE-2020-7535

CWE: 22