CVE-2025-4418

6.7 mediumEPSS 0.1%

Medium (6.7). EPSS 0.1% chance of exploitation in the next 30 days.

An improper validation of integrity check value vulnerability exists in AVEVA PI Connector for CygNet Versions 1.6.14 and prior that, if exploited, could allow a miscreant with elevated privileges to modify PI Connector for CygNet local data files (cache and buffers) in a way that causes the connector service to become unresponsive.

Severity

CVSS 4.0

6.7 medium

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

4.4 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 0% of CVEs (scores of 2026-10-31)
CWE: CWE-354
Published: 2025-06-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.aveva.com/en/support-and-success/cyber-security-updates/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-09

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