What’s Vulnerable › Vulnerabilities

CVE-2025-4418: AVEVA PI Connector for CygNet Improper Validation of Integrity Check Value

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-12 · updated 2026-06-17
• Weakness: CWE-354

Description

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.

Affected products

• AVEVA PI Connector for CygNet: through 1.6.14

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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