CVE-2018-19021

MEDIUMNVD 6.56.5—

6.5

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.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 65.9%
KEV: Not listed

Published

January 25, 2019

Last Modified

November 21, 2024

References (4)

ics-cert@hqhttp://www.securityfocus.com/bid/106522
ics-cert@hqhttps://ics-cert.us-cert.gov/advisories/ICSA-19-010-01
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106522
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-307Improper Restriction of Excessive Authentication Attempts

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 22:56 UTCEG score recompute
2026-05-27 22:56 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-19021?

CVE-2018-19021 is a medium vulnerability published on January 25, 2019. 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.

When was CVE-2018-19021 disclosed?

CVE-2018-19021 was first published in the National Vulnerability Database on January 25, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-19021 actively exploited?

CVE-2018-19021 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-19021?

CVE-2018-19021 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2018-19021?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-19021, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-19021

📅 Published

🔄 Last Modified

🔗 References (4)