CVE-2023-31274

5.3 mediumEPSS 0.5%

Medium (5.3) in aveva pi server. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-772
Published: 2024-01-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

aveva:pi_server

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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