A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and…

Published 8 y ago 2018-01-09 · modified 4 mo ago 2026-06-17 · JSON

CVSS

10.0

v3.0 · NVD

CISA KEV

not known exploited

EPSS

7.2%

percentile 94%

Public exploits

none known

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.

Exploit prediction (EPSS)

7.20% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	10.0	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`
NVD	2.0	7.5	`AV:N/AC:L/Au:N/C:P/I:P/A:P`

Affected products

n/a Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

securityfocus.com /bid/102474 · vdb-entry, x_refsource_BID, x_transferred
rockwellautomation.custhelp.com /app/answers/detail/a_id/1070883 · x_refsource_CONFIRM, x_transferred
ics-cert.us-cert.gov /advisories/ICSA-18-009-01 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2017-16740
NVD: CVE-2017-16740

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