What is CVE-2018-17889?

CVE-2018-17889 is a medium-severity vulnerability in We-Con Pi Studio, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.3/10. Published 2018-10-08.

How severe is CVE-2018-17889?

Medium severity. CVSS v3 base score is 5.3 out of 10.

XXE in We-Con Pi Studio

CVE-2018-17889

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.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.012 (66.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

We-con Pi_studio
We-con Pi_studio_hmi
Wecon Pi Studio — versions 4.2.34 and prior
Wecon Pi Studio Hmi — versions 4.1.9 and prior

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-17889?: CVE-2018-17889 is a medium-severity vulnerability in We-Con Pi Studio, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.3/10. Published 2018-10-08.
How severe is CVE-2018-17889?: Medium severity. CVSS v3 base score is 5.3 out of 10.