What is CVE-2018-19021?

CVE-2018-19021 is a medium-severity vulnerability in Emerson Deltav, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2019-01-25.

How severe is CVE-2018-19021?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Emerson Deltav

CVE-2018-19021

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: 0.007 (50.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Emerson Deltav — versions 11.3.1, 11.3.2, 12.3.1
Emerson Deltav — versions DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior.

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-19021?: CVE-2018-19021 is a medium-severity vulnerability in Emerson Deltav, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2019-01-25.
How severe is CVE-2018-19021?: Medium severity. CVSS v3 base score is 6.5 out of 10.