CVE-2018-19020 — When CX-Supervisor (Versions 3

When CX-Supervisor (Versions 3.42 and prior) processes project files and tampers with the value of an offset, an attacker can force the application to read a value outside of an array.

01What is this vulnerability?

When CX-Supervisor (Versions 3.42 and prior) processes project files and tampers with the value of an offset, an attacker can force the application to read a value outside of an array.

02Affected products

Vendor	Product	Versions
ICS-CERT	CX	Supervisor — Versions 3.42 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: 2019-02-12T22:00:00.000Z
• Last modified: 2024-09-17T03:27:41.239Z

09References

• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-19-017-01