What’s Vulnerable › Vulnerabilities

CVE-2021-43551: OSIsoft PI Vision

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-17 · updated 2026-06-17
• Weakness: CWE-79

Description

A remote attacker with write access to PI Vision could inject code into a display. Unauthorized information disclosure, modification, or deletion is possible if a victim views or interacts with the infected display using Microsoft Internet Explorer. The impact affects PI System data and other data accessible with victim's user permissions.

Affected products

• OSIsoft PI Vision: before 2021 — fixed in 2021

How to fix

Upgrade to a fixed version: OSIsoft PI Vision 2021. Check the vendor advisory for mitigations.

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-313-05
• https://us-cert.cisa.gov/ics/advisories/icsa-21-313-05

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