SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-9343

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.

CRITICAL 10.0EPSS 10.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 95% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
10.49% probability · 95th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
rockwellautomation/softlogix 5800 controller firmware · rockwellautomation/rslogix emulate 5000 firmware · rockwellautomation/guardlogix 5570 controller firmware · rockwellautomation/flexlogix l34 controller firmware · rockwellautomation/controllogix l55 controller firmware · rockwellautomation/controllogix 5570 redundant controller firmware · rockwellautomation/controllogix 5570 controller firmware · rockwellautomation/controllogix 5560 redundant controller firmware · rockwellautomation/controllogix 5560 controller firmware · rockwellautomation/1769 compactlogix l3x controller firmware · rockwellautomation/1769 compactlogix l23x controller firmware · rockwellautomation/1769 compactlogix 5370 l3 controller firmware · rockwellautomation/1769 compactlogix 5370 l2 controller firmware · rockwellautomation/1769 compactlogix 5370 l1 controller firmware · rockwellautomation/1768 compactlogix l4x controller firmware · rockwellautomation/1768 compact guardlogix l4xs controller firmware
Source
ics-cert@hq.dhs.gov

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.