What is CVE-2020-12021?

CVE-2020-12021 is a critical-severity vulnerability in Osisoft Pi Web Api, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2020-06-23.

How severe is CVE-2020-12021?

Critical severity. CVSS v3 base score is 9.0 out of 10.

XSS in Osisoft Pi Web Api

CVE-2020-12021

In OSIsoft PI Web API 2019 Patch 1 (1.12.0.6346) and all previous versions, the affected product is vulnerable to a cross-site scripting attack, which may allow an attacker to remotely execute arbitrary code.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.016 (72.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Osisoft Pi_web_api — versions 2019
N/a Osisoft Pi Web Api 2019 — versions OSIsoft PI Web API 2019 Patch 1 (1.12.0.6346) and all previous versions

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2020-12021?: CVE-2020-12021 is a critical-severity vulnerability in Osisoft Pi Web Api, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2020-06-23.
How severe is CVE-2020-12021?: Critical severity. CVSS v3 base score is 9.0 out of 10.