TI-2020-09680 Aliases CVE-2020-12021 GHSA-q4j7-8h9j-7jxq

Cross-site scripting in OSIsoft PI Web API 2019

MEDIUM 42CWE-79Published 2020-06-23 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.0157 75th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	OSIsoft PI Web API 2019	OSIsoft PI Web API 2019 Patch 1 (1.12.0.6346) and all previous versions	—	No fix listed	CNA

OSIsoft PI Web API 2019 Vendor— Affected OSIsoft PI Web API 2019 Patch 1 (1.12.0.6346) and all previous versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:osisoft:pi_web_api::::::::	up to 2019	Vulnerable	OSIsoft
cpe:2.3:a:osisoft:pi_web_api:2019:patch_1::::::	2019 patch_1	Vulnerable	OSIsoft

cpe:2.3:a:osisoft:pi_web_api:*:*:*:*:*:*:*:* Versions up to 2019 Vulnerable ·OSIsoft
cpe:2.3:a:osisoft:pi_web_api:2019:patch_1:*:*:*:*:*:* Versions 2019 patch_1 Vulnerable ·OSIsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-12021
2026-10-03 Alias added: GHSA-q4j7-8h9j-7jxq

References

Advisory 1

https://www.us-cert.gov/ics/advisories/icsa-20-163-01

TI-2018-05409 Access control flaw in OSIsoft PI Web API CVSS 3.0CRITICAL 9.8
TI-2017-05535 Cross-site request forgery in OSIsoft PI Web API 2017 CVSS 3.0HIGH 8.8
TI-2019-10148 Protection mechanism failure in OSIsoft PI Web API CVSS 3.1HIGH 8.8
TI-2017-03271 Sensitive information in log files in OSIsoft PI Coresight and PI Web API CVSS 3.0HIGH 7.8
TI-2021-19439 Cross-site scripting in OSIsoft PI Web API CVSS 3.1MEDIUM 6.9
TI-2019-10147 OSIsoft PI Web API 2018 and prior may allow disclosure of sensitive information. CVSS 3.0MEDIUM 6.5

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences