What is CVE-2018-7529?

CVE-2018-7529 is a high-severity vulnerability in Osisoft Pi Data Archive, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2018-03-14.

How severe is CVE-2018-7529?

High severity. CVSS v3 base score is 7.5 out of 10.

Deserialization in Osisoft Pi Data Archive

CVE-2018-7529

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.

Vulnerability class: Insecure Deserialization

Published 2018-03-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.1th percentile), scored 2026-10-21.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.021 · change: +0.002

Affected products

Osisoft Pi Data Archive — versions 2017
Osisoft Pi Data Archive — versions OSIsoft PI Data Archive

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

ics-cert.us-cert.gov/advisories/ICSA-18-072-02 (US Government Resource, Third Party Advisory)
www.securityfocus.com/bid/103399 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-7529?: CVE-2018-7529 is a high-severity vulnerability in Osisoft Pi Data Archive, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2018-03-14.
How severe is CVE-2018-7529?: High severity. CVSS v3 base score is 7.5 out of 10.