Detections
Analytics

Schneider Electric Modicon M221 < 1.6.2.0 Information Management Error

critical Nessus Network Monitor Plugin ID 720152

Synopsis

An Information Management Error vulnerability exists in Schneider Electric's Modicon M221 product.

Description

An Information Management Error vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to replay authentication sequences. If an attacker exploits this vulnerability and connects to a Modicon M221, the attacker can upload the original program from the PLC.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

http://www.securityfocus.com/bid/105182,https://ics-cert.us-cert.gov/advisories/ICSA-18-240-01,https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/

Plugin Details

Severity: Critical

ID: 720152

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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

Patch Publication Date: 8/28/2018

Vulnerability Publication Date: 8/28/2018

Reference Information

CVE: CVE-2018-7790

BID: 105182