VULNERABILITY INTELLIGENCE

CVE-2018-14829

CVSS score9.8 CRITICAL

EPSS probability16.09%

CISA KEVNot currently listed

Published2018-09-20

Last modified2026-06-17

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

Description

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote threat actor to intentionally send a malformed CIP packet to Port 44818, causing the software application to stop responding and crash. This vulnerability also has the potential to exploit a buffer overflow condition, which may allow the threat actor to remotely execute arbitrary code.

Weakness classification

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121: Stack-based Buffer Overflow

Primary references

ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
ics-cert@hq.dhs.gov — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory