CVE-2023-31274: Missing Release of Resource after Effective Lifetime vulnerability in Aveva PI Server

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-18 · updated 2026-06-17
Weakness: CWE-772

Description

AVEVA PI Server versions 2023 and 2018 SP3 P05 and prior contain a vulnerability that could allow an unauthenticated user to cause the PI Message Subsystem of a PI Server to consume available memory resulting in throttled processing of new PI Data Archive events and a partial denial-of-service condition.

Affected products

AVEVA PI Server: before 2018; 2018, 2018-sp3_patch_5, 2023 — fixed in 2018

How to fix

Upgrade to a fixed version: AVEVA PI Server 2018. Check the vendor advisory for mitigations.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-018-01
https://www.cisa.gov/news-events/ics-advisories/icsa-24-018-01

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