CVE-2018-19021

Name: CVE-2018-19021
Creator: NVD / NIST
Published: 2019-01-25T20:29:00.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2018-19021 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A specially crafted script could bypass the authentication of a maintenance port of Emerson DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior, which may allow an attacker to cause a denial of service.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

A specially crafted script could bypass the authentication of a maintenance port of Emerson DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior, which may allow an attacker to cause a denial of service.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.72%

49.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Emerson	Deltav	>= r5.1, <= r6
Emerson	Deltav	11.3.1
Emerson	Deltav	11.3.2
Emerson	Deltav	12.3.1
Emerson	Deltav	13.3.1
Emerson	Deltav	14.3

References

http://www.securityfocus.com/bid/106522Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/106522Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01Third Party Advisory, US Government Resource

Timeline

Published: Jan 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19021?

How severe is CVE-2018-19021?

CVE-2018-19021 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19021?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19021?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST