CVE-2018-14821

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02

https://www.tenable.com/security/research/tra-2018-26

Details

Source: MITRE

Published: 2018-09-20

Updated: 2019-10-09

Type: CWE-119

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:rockwellautomation:rslinx:*:*:*:*:classic:*:*:* versions up to 4.00.01 (inclusive)

Tenable Plugins

View all (4 total)

IDNameProductFamilySeverity
500156Rockwellautomation Rslinx Improper Restriction of Operations within the Bounds of a Memory BufferTenable.otSCADA
high
720266Rockwell Automation RSLinx Classic <= 4.00.01 Multiple Vulnerabilities (ICSA-18-263-02)Nessus Network MonitorSCADA
critical
117671Rockwell Automation RSLinx Classic <= 4.00.01 Multiple VulnerabilitiesNessusSCADA
critical
720182Rockwell Automation RSLinx Classic <= 4.00.01 Malformed CIP Packet Termination (deprecated)Nessus Network MonitorSCADA
high