No exploitation reported

CVE-2018-19016

No exploitation reported by the sources we read.

Published2019-03-27
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Rockwell Automation EtherNet/IP Web Server Modules 1756-EWEB (includes 1756-EWEBK) Version 5.001 and earlier, and CompactLogix 1768-EWEB Version 2.005 and earlier. A remote attacker could send a crafted UDP packet to the SNMP service causing a denial-of-service condition to occur until the affected product is restarted.

Timeline

dates in UTC

2019-03-2718:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-19016?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-19016?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Rockwellautomation ethernet\/ip web server module 1756-eweb

Branch	Affected	Fixed in	Source
5.1	≤ 5.001	no fix published	NVD

Rockwellautomation ethernet\/ip web server module 1768-eweb

Branch	Affected	Fixed in	Source
2.5	≤ 2.005	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-19-036-02 CISA2 known affected
Rockwell Automation EtherNet/IP Web Server Modules
CompactLogix 1768-EWEB: Version 2.005 and earlier · 1756-EWEB (includes 1756-EWEBK): Version 5.001 and earlier

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-19-036-02 · 2 productsRockwell Automation recommends that affected users disable the SNMP service if not in use.
Mitigation from the vendor CISA ICSA-19-036-02 · 2 productsFor more information please refer to the Rockwell Automation security advisory at

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
CNAweakness (CWE)CWE-20read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score3.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2019-03-27
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-19016?

Is CVE-2018-19016 actively exploited?

Active exploitation of CVE-2018-19016 has not been confirmed. Its EPSS score was 3.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-19016?

CVE-2018-19016 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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