Vulnerabilities

CVSS

10.0 Critical

Vector

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

Risk score

80.0

Published

2018-01-09

Status

Modified

A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and earlier. The stack-based buffer overflow vulnerability has been identified, which may allow remote code execution.

Weaknesses

CWE-120CWE-119

Coverage 1

threat-intel

Over 4,400 Rockwell PLCs Exposed Online, 22 Found in Water Attack Cities

A significant number of internet-facing Rockwell PLCs (over 4,400 globally, with 22 located in cities experiencing recent US water utility cyberattacks) are exposed online. While not all have been confirmed as compromise…

The Hacker News · Aug 6, 2026 High

CVE-2017-16740USplccybersecurityindustrial control systems

All articles mentioning it

Advisories and references

• securityfocus.com/bid/102474
• ics-cert.us-cert.gov/advisories/ICSA-18-009-01
• rockwellautomation.custhelp.com/app/answers/detail/a_id/1070883
• securityfocus.com/bid/102474
• ics-cert.us-cert.gov/advisories/ICSA-18-009-01
• rockwellautomation.custhelp.com/app/answers/detail/a_id/1070883