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.
https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-09
https://www.aveva.com/en/support-and-success/cyber-security-updates/
Published: 2025-06-12
Updated: 2025-06-16
Base Score: 4.3
Vector: CVSS2#AV:L/AC:L/Au:M/C:N/I:N/A:C
Severity: Medium
Base Score: 4.4
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Severity: Medium
Base Score: 6.7
Vector: 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
Severity: Medium
EPSS: 0.00006