Detections
Analytics

Schneider Electric Modicon M340 Controllers Denial of Service

high Nessus Network Monitor Plugin ID 720112

Synopsis

A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLCs.

Description

A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BMXNOE0110H, BMXNOR0200H, BMXP341000, BMXP342000, BMXP3420102, BMXP3420102CL, BMXP342020, BMXP342020H, BMXP342030, BMXP3420302, BMXP3420302H, and BMXP342030H. A remote attacker could send a specially crafted set of packets to the PLC causing it to freeze, requiring the operator to physically press the reset button on the PLC in order to recover.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

http://www.securityfocus.com/bid/96414,https://ics-cert.us-cert.gov/advisories/ICSA-17-054-03,https://www.schneider-electric.com/en/download/document/SEVD-2017-048-02/

Plugin Details

Severity: High

ID: 720112

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

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:N/I:N/A:H

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

Vulnerability Information

Patch Publication Date: 2/23/2017

Vulnerability Publication Date: 2/23/2017

Reference Information

CVE: CVE-2017-6017

BID: 96414