CVE-2016-9343

high-risk

Published 2017-02-13

An issue was discovered in Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00 (excluding all firmware versions prior to FRN 16.00, which are not affected). By sending malformed common industrial protocol (CIP) packet, an attacker may be able to overflow a stack-based buffer and execute code on the controller or initiate a nonrecoverable fault resulting in a denial of service.

Do I need to act?

0.09% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 10.0/10 Critical

NETWORK / LOW complexity

Affected Products (20)

Softlogix 5800 Controller Firmware

Rslogix Emulate 5000 Firmware

Guardlogix 5570 Controller Firmware

Controllogix L55 Controller Firmware

Controllogix 5570 Redundant Controller Firmware

Controllogix 5570 Controller Firmware

Controllogix 5560 Redundant Controller Firmware

Controllogix 5560 Controller Firmware

1769 Compactlogix L3X Controller Firmware

Affected Vendors

Rockwellautomation

References (4)

Third Party Advisory http://www.securityfocus.com/bid/95304

Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-16-343-05

Third Party Advisory http://www.securityfocus.com/bid/95304

Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-16-343-05

/ 100

high-risk

Severity 33/34 · Critical

Exploitability 0/34 · Minimal

Exposure 29/34 · Critical