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CVE-2017-16740
CRITICAL
A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and earlier. The stack-based buffer overflow vulnerability has been identified, which may allow remote code execution.
Published: Jan 9, 2018
Modified: Jun 17, 2026
CWE-120
CWE-119
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products (6)
| Vendor | Product | Version |
|---|---|---|
| rockwellautomation | 1766-l32bxba_firmware | * |
| rockwellautomation | 1766-l32awa_firmware | * |
| rockwellautomation | 1766-l32bxb_firmware | * |
| rockwellautomation | 1766-l32bwaa_firmware | * |
| rockwellautomation | 1766-l32awaa_firmware | * |
| rockwellautomation | 1766-l32bwa_firmware | * |
GitHub Security Advisory GHSA-f8m9-fwqj-74hf
A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400...
References (6)
- http://www.securityfocus.com/bid/102474 Mitigation, Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-009-01 Third Party Advisory, US Government Resource
- https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1070883
- http://www.securityfocus.com/bid/102474 Mitigation, Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-009-01 Third Party Advisory, US Government Resource
- https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1070883
Risk Scores
CVSS Score
10.0 / 10
EPSS Score
7.15%
Top 6% most likely to be exploited
Threat Score
42.1 / 100
Data Sources
NVD
EPSS
GitHub