CVE-2018-7529: Osisoft Pi Data Archive

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

A Deserialization of Untrusted Data issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Unauthenticated users may modify deserialized data to send custom requests that crash the server.

Affected products

• Osisoft Pi Data Archive: up to and including 2017

Published 2018-03-14. Last modified 2026-06-17.