CVE-2019-18243 — HMI/SCADA iFIX (Versions 6.1 and prior) allows a local authenticated user to modify system-wide iFIX configurations through the registry

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MEDIUM

HMI/SCADA iFIX (Versions 6.1 and prior) allows a local authenticated user to modify system-wide iFIX configurations through the registry

Published Feb 18, 2021

5.5

MEDIUM

CVSS 3.1

EPSS 0.21%

Description

HMI/SCADA iFIX (Versions 6.1 and prior) allows a local authenticated user to modify system-wide iFIX configurations through the registry. This may allow privilege escalation.

Affected products

Vendor n/a Product HMI/SCADA iFIX Default
n/a
- Version
  Versions 6.1 and prior
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

n/a

HMI/SCADA iFIX

n/a

Version	Status	Constraints
Versions 6.1 and prior	affected	-

Remediation

No remediation recorded yet.

Metrics

0.21% 0.00211

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00211

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (8 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.21% (0.00211)	10.30th	v5 (v2026.06.15)
Sep 20, 2026	0.21% (0.00211)	11.69th	v5 (v2026.06.15)
Jul 20, 2024	0.04% (0.00042)	0.36th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	0.50th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.22% (0.00221)	1.67th	v5 (v2026.06.15)
Apr 14, 2021	0.22% (0.00221)	0.00th	v1