CVE-2018-8840

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or InTouch Machine Edition 2017 v8.1 and prior versions during a tag, alarm, or event related action such as read and write, which may allow remote code execution.

References

http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000125/

http://www.securityfocus.com/bid/103949

https://ics-cert.us-cert.gov/advisories/ICSA-18-107-01

https://www.tenable.com/security/research/tra-2018-07

Details

Source: MITRE

Published: 2018-04-18

Updated: 2019-10-09

Type: CWE-119

Risk Information

CVSS v2

Base Score: 10

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

Impact Score: 10

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:indusoft:web_studio:*:*:*:*:*:*:*:* versions up to 8.1 (inclusive)

Configuration 2

OR

cpe:2.3:a:industrial-software:intouch_machine_edition_2017:*:*:*:*:*:*:*:* versions up to 8.1 (inclusive)

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
109280Schneider Electric InduSoft Web Studio / InTouch Machine Edition Opcode 50 mbstowcs() Stack OverflowNessusSCADA
critical
109144Schneider Electric InduSoft Web Studio RCE (Apr 2018)NessusWindows
critical
109143Schneider Electric InTouch Machine Edition RCE (Apr 2018)NessusWindows
critical