CVE-2018-17889 - Improper Restriction of XML External Entity Reference

Severity

43%

Complexity

86%

Confidentiality

48%

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.

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.

CVSS 3.0 Base Score 5.3. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N).

Overview

First reported 6 years ago

2018-10-08 12:29:00

Last updated 5 years ago

2019-10-09 23:36:00

Affected Software

WECON PI Studio

WECON PI Studio HMI

References

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

Third Party Advisory, US Government Resource

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