What’s Vulnerable › Vulnerabilities

CVE-2021-43553: OSIsoft PI Vision

• Severity: medium (CVSS 4.3 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-863

Description

PI Vision could disclose information to a user with insufficient privileges for an AF attribute that is the child of another attribute and is configured as a Limits property.

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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