CVE-2018-17889

Name: CVE-2018-17889
Creator: NVD / NIST
Published: 2018-10-08T12:29:00.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.25%

Last modified Jun 17, 2026

CVE-2018-17889 is a vulnerability of currently unknown severity. In WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior when parsing project files, the XMLParser that ships with Wecon PIStudio is vulnerable to a XML external entity injection attack, which may allow sensitive information disclosure.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

In WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior when parsing project files, the XMLParser that ships with Wecon PIStudio is vulnerable to a XML external entity injection attack, which may allow sensitive information disclosure.

Metrics

EPSS Probability

1.25%

65.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
We-Con	Pi Studio	<= 4.2.34
We-Con	Pi Studio Hmi	<= 4.1.9

References

https://ics-cert.us-cert.gov/advisories/ICSA-18-277-01Third Party Advisory, US Government Resource
https://ics-cert.us-cert.gov/advisories/ICSA-18-277-01Third Party Advisory, US Government Resource

Timeline

Published: Oct 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-17889?

How severe is CVE-2018-17889?

Severity scoring for CVE-2018-17889 is pending analysis. The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2018-17889?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-17889?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST