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Fencer Intel
high 7.5

CVE-2018-19016 json

Rockwell Automation EtherNet/IP Web Server Modules 1756-EWEB (includes 1756-EWEBK) Version 5.001 and earlier, and CompactLogix 1768-EWEB Ve…

published 7y ago modified 4mo ago also EUVD-2018-10734

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

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.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-19-036-02 updated cvss 5.3

Rockwell Automation EtherNet/IP Web Server Modules

  • Rockwell Automation 1756-EWEB (includes 1756-EWEBK) <= 5.001 Rockwell Automation CompactLogix 1768-EWEB <= 2.005
    affected: mitigation “Rockwell Automation recommends that affected users disable the SNMP service if not in use.” rockwellautomation.custhelp.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

3.19% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

  • Rockwell 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.

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.