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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 96% 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 · 96th percentile
- Public exploits
- None in Exploit-DB
- 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
EPSS 10.5% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/95304Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-343-05Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/95304Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-343-05Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.