CVE record · CVE-2018-17924

Missing authentication in Rockwell Automation

CVSS 7.5 HighEPSS 0.058 · 93rd percentile

Published by the CVE Program (CNA: icscert) at 7 Dec 2018, 14:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	Rockwell Automation	affected MicroLogix 1400 Controllers Series A, all versions, Series B, v21.003 and earlier,Series C, v21.003 and earlier, 1756 ControlLogix EtherNet/IP Communications Modules 1756-ENBT, all versions, 1756-EWEB Series A, all versions Series B, all versions, 1756-EN2F Series A, all versions, Series B, all versions, Series C, v10.10 and earlier, 1756-EN2T, Series A, all versions, Series B, all versions, Series C, all versions, Series D, v10.10 and earlier, 1756-EN2TR, Series A, all versions, Series B, all versions, Series C, v10.10 and earlier, 1756-EN3TR, Series A, all versions, Series B, v10.10 and earlier.

Identifiers: CVE-2018-17924
CNA: icscert
Weakness (CWE): CWE-306
Tags: Rockwell Automation
Authentication bypass
Published: 7 Dec 2018
Updated: 3 Jun 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.058, the 93rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 7 Dec 2018. New records show when each source confirmed them.

Sources

References from the CNA

www.securityfocus.com/bid/106132 vdb-entrybid
ics-cert.us-cert.gov/advisories/ICSA-18-310-02

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.