CVE-2018-14821 Information

Description

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote unauthenticated threat actor to intentionally send a malformed CIP packet to Port 44818 causing the RSLinx Classic application to terminate. The user will need to manually restart the software to regain functionality.

CVSS Vector

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

Reference

https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02 https://www.tenable.com/security/research/tra-2018-26

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5