HIGH
AVEVA InduSoft Web Studio v8.1 and v8.1SP1, and InTouch Machine Edition v2017 8.1 and v2017 8.1 SP1 a remote user could send a carefully crafted packet to exploit a stack-based buffer overflow vulnerability during tag, alarm, or event related actions such as read and write, with potential for code to be executed.
http://www.securityfocus.com/bid/104870
https://ics-cert.us-cert.gov/advisories/ICSA-18-200-01
https://sw.aveva.com/hubfs/assets-2018/pdf/security-bulletin/SecurityBulletin_LFSec128(002).pdf
Source: MITRE
Published: 2018-07-19
Updated: 2018-09-21
Type: CWE-119
Base Score: 7.5
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
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