What is CVE-2020-10602?

CVE-2020-10602 is a medium-severity vulnerability in Pi Data Archive, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2020-07-24.

How severe is CVE-2020-10602?

Medium severity. CVSS v3 base score is 5.3 out of 10.

NULL pointer dereference in Pi Data Archive

CVE-2020-10602

In OSIsoft PI System multiple products and versions, an authenticated remote attacker could crash PI Network Manager due to a race condition. This can result in blocking connections and queries to PI Data Archive.

Published 2020-07-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Pi Data Archive — versions 2018
Osisoft Pi System Multiple Products And Versions — versions OSIsoft PI System multiple products and versions

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

us-cert.cisa.gov/ics/advisories/icsa-20-133-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2020-10602?: CVE-2020-10602 is a medium-severity vulnerability in Pi Data Archive, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2020-07-24.
How severe is CVE-2020-10602?: Medium severity. CVSS v3 base score is 5.3 out of 10.