Emerson DeltaV Uncontrolled Search Path Element

published 2022-01-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-31300

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits: 0; none known

Missing DLLs, if replaced by an insider, could allow an attacker to achieve local privilege escalation on the DeltaV Distributed Control System Controllers and Workstations (All versions) when some DeltaV services are started.

Vendor advisories

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

cisa ICSA-21-355-04 updated 2021-12-21 cvss 8.1

Emerson DeltaV

Emerson DeltaV Distributed Control System Controllers and Workstations
affected: mitigation “DeltaV DCS: Versions 13.3.1, 14.LTS, 14.FP1, 14.FP2, and R6” guardian.emersonprocess.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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-17)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H
NVD	3.1	7.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.9	AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

References

cisa.gov /uscert/ics/advisories/icsa-21-355-04
mitigation, third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-44463
NVD CVE-2021-44463

Fencer Vulns 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.

Summary