CVE-2019-18243 — HMI/SCADA iFIX (Versions 6

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / HMI/SCADA iFIX	Versions 6.1 and prior

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2021-02-18T15:02:34.000Z
• Last modified: 2024-08-05T01:47:14.029Z

09References

• us-cert.cisa.gov — https://us-cert.cisa.gov/ics/advisories/icsa-21-040-01