VULNERABILITY INTELLIGENCE

CVE-2017-12093

CVSS score5.3 MEDIUM
EPSS probability6.00%
CISA KEVNot currently listed
Published2018-04-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

An exploitable insufficient resource pool vulnerability exists in the session communication functionality of Allen Bradley Micrologix 1400 Series B Firmware 21.2 and before. A specially crafted stream of packets can cause a flood of the session resource pool resulting in legitimate connections to the PLC being disconnected. An attacker can send unauthenticated packets to trigger this vulnerability.

Weakness classification

  • CWE-400: Uncontrolled Resource Consumption

Primary references