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AVEVA PI Connector for CygNet Improper Validation of Integrity Check Value

Risk 34
Severity
6.7
AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

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.

Remedy

AVEVA recommends that organizations evaluate the impact of these vulnerabilities based on their operational environment, architecture, and product implementation. Users of affected product versions should apply security updates to mitigate the risk of exploit. All affected versions of PI Connector for CygNet can be fixed by upgrading to PI Connector for CygNet v1.7.0 or higher. From OSISoft Customer Portal https://my.osisoft.com/ , search for "PI Connector for CygNet" and select Version 1.7.0 or higher. For additional information please refer to AVEVA-2025-002 https://www.aveva.com/en/support-and-success/cyber-security-updates/ .
First published (updated )
CVE-2025-4418

AVEVA PI Connector for CygNet Cross-site Scripting

Risk 49
Severity
6.9
XSS
AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N

A cross-site scripting vulnerability exists in AVEVA PI Connector for CygNet Versions 1.6.14 and prior that, if exploited, could allow an administrator miscreant with local access to the connector admin portal to persist arbitrary JavaScript code that will be executed by other users who visit affected pages.

Remedy

AVEVA recommends that organizations evaluate the impact of these vulnerabilities based on their operational environment, architecture, and product implementation. Users of affected product versions should apply security updates to mitigate the risk of exploit. All affected versions of PI Connector for CygNet can be fixed by upgrading to PI Connector for CygNet v1.7.0 or higher. From OSISoft Customer Portal https://my.osisoft.com/ , search for "PI Connector for CygNet" and select Version 1.7.0 or higher. For additional information please refer to AVEVA-2025-002 https://www.aveva.com/en/support-and-success/cyber-security-updates/ .
First published (updated )
CVE-2025-4417

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