Detections
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Schneider Electric Modicon Improper Authentication (CVE-2018-7760)

critical Tenable OT Security Plugin ID 501211

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200.
Requests to CGI functions allow malicious users to bypass authorization.

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

http://www.nessus.org/u?c46bd378

Plugin Details

Severity: Critical

ID: 501211

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 6/29/2023

Updated: 11/30/2023

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-2018-7760

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:tsxp57204mc_firmware:-, cpe:/o:schneider-electric:tsxh5744mc_firmware:-, cpe:/o:schneider-electric:tsxp573634mc_firmware:-, cpe:/o:schneider-electric:tsxp574634mc_firmware:-, cpe:/o:schneider-electric:140cpu65160s_firmware:-, cpe:/o:schneider-electric:tsxp572634m_firmware:-, cpe:/o:schneider-electric:140cpu65260_firmware:-, cpe:/o:schneider-electric:140cpu65260c_firmware:-, cpe:/o:schneider-electric:tsxh5724m_firmware:-, cpe:/o:schneider-electric:140cpu65860_firmware:-, cpe:/o:schneider-electric:bmxp3420302_firmware:-, cpe:/o:schneider-electric:tsxh5744m_firmware:-, cpe:/o:schneider-electric:tsxp57254mc_firmware:-, cpe:/o:schneider-electric:tsxp57554m_firmware:-, cpe:/o:schneider-electric:tsxp575634mc_firmware:-, cpe:/o:schneider-electric:140cpu65150_firmware:-, cpe:/o:schneider-electric:tsxp573634m_firmware:-, cpe:/o:schneider-electric:tsxp574634m_firmware:-, cpe:/o:schneider-electric:bmxp3420302cl_firmware:-, cpe:/o:schneider-electric:bmxp3420102cl_firmware:-, cpe:/o:schneider-electric:bmxp342020_firmware:-, cpe:/o:schneider-electric:tsxp571634m_firmware:-, cpe:/o:schneider-electric:tsxp575634m_firmware:-, cpe:/o:schneider-electric:140cpu43412u_firmware:-, cpe:/o:schneider-electric:tsxp57354m_firmware:-, cpe:/o:schneider-electric:140cpu65860c_firmware:-, cpe:/o:schneider-electric:tsxp57554mc_firmware:-, cpe:/o:schneider-electric:bmxp341000h_firmware:-, cpe:/o:schneider-electric:bmxp3420102_firmware:-, cpe:/o:schneider-electric:tsxp57154mc_firmware:-, cpe:/o:schneider-electric:tsxp57304mc_firmware:-, cpe:/o:schneider-electric:tsxp57154m_firmware:-, cpe:/o:schneider-electric:tsxp57254m_firmware:-, cpe:/o:schneider-electric:140cpu31110c_firmware:-, cpe:/o:schneider-electric:bmxp3420302h_firmware:-, cpe:/o:schneider-electric:tsxp576634mc_firmware:-, cpe:/o:schneider-electric:tsxp57454m_firmware:-, cpe:/o:schneider-electric:140cpu65160_firmware:-, cpe:/o:schneider-electric:140cpu31110_firmware:-, cpe:/o:schneider-electric:tsxp571634mc_firmware:-, cpe:/o:schneider-electric:tsxp57204m_firmware:-, cpe:/o:schneider-electric:140cpu65150c_firmware:-, cpe:/o:schneider-electric:tsxp576634m_firmware:-, cpe:/o:schneider-electric:bmxp342020h_firmware:-, cpe:/o:schneider-electric:tsxp57304m_firmware:-, cpe:/o:schneider-electric:tsxp57104mc_firmware:-, cpe:/o:schneider-electric:tsxp572634mc_firmware:-, cpe:/o:schneider-electric:tsxp57454mc_firmware:-, cpe:/o:schneider-electric:tsxp57104m_firmware:-, cpe:/o:schneider-electric:140cpu43412uc_firmware:-, cpe:/o:schneider-electric:bmxnor0200_firmware:-, cpe:/o:schneider-electric:tsxh5724mc_firmware:-, cpe:/o:schneider-electric:bmxnor0200h_firmware:-, cpe:/o:schneider-electric:140cpu65160c_firmware:-, cpe:/o:schneider-electric:tsxp57354mc_firmware:-, cpe:/o:schneider-electric:bmxp342000_firmware:-, cpe:/o:schneider-electric:bmxp341000_firmware:-

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 4/18/2018

Vulnerability Publication Date: 4/18/2018

Reference Information

CVE: CVE-2018-7760

CWE: 287