What’s Vulnerable › Vulnerabilities

CVE-2018-17889

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-08 · updated 2026-06-17
• Weakness: CWE-611

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.

Affected products

• WECON PI Studio: through 4.2.34
• WECON PI Studio HMI: through 4.1.9

References

• https://ics-cert.us-cert.gov/advisories/ICSA-18-277-01
• https://ics-cert.us-cert.gov/advisories/ICSA-18-277-01

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