Vulnerability Report

CVE-2020-12021

Title: Osisoft Pi Web Api RCE

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2020-12021.

CWE Category CWE-79

Published Date Jun 23, 2020

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 9.0 CVSS v3.1

Exploit Probability (EPSS)

1.57%

Vulnerability Summary

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.

Impacted Vendors

osisoft 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.0

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-12021 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

June 23, 2020 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected Stack

No specific products linked.