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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.016 (74.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-12021: held from 0.016 to 0.016.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

  • Osisoft Pi Web API — versions 2019
  • Osisoft Pi Web API 2019 — versions OSIsoft PI Web API 2019 Patch 1 (1.12.0.6346) and all previous versions

Weakness classification (CWE)

References

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.