What is CVE-2016-5645?

CVE-2016-5645 is a high-severity vulnerability in Rockwellautomation 1766-L32awa, classified under Improper Access Control. CVSS score: 7.3/10. Published 2016-08-24.

How severe is CVE-2016-5645?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Rockwellautomation 1766-L32awa

CVE-2016-5645

Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a hardcoded SNMP community, which makes it easier for remote attackers to load arbitrary firmware updates by leveraging knowledge of this community.

Published 2016-08-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.296 (98.1th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.296 · newest: 0.296 · change: 0.000

Affected products

Weakness classification (CWE)

References

www.securityfocus.com/bid/92428 (vdb-entry)
ics-cert.us-cert.gov/advisories/ICSA-16-224-01 (US Government Resource, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2016-5645?: CVE-2016-5645 is a high-severity vulnerability in Rockwellautomation 1766-L32awa, classified under Improper Access Control. CVSS score: 7.3/10. Published 2016-08-24.
How severe is CVE-2016-5645?: High severity. CVSS v3 base score is 7.3 out of 10.