CVE-2025-4418

EUVD-2025-18217
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
icscertCNA
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Common Weakness Enumeration
References
https://www.aveva.com/en/support-and-success/cyber-security-updates/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-09