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CVE-2025-4418

MEDIUMCVSS 6.7/10EPSS 0.09%

Last modified

CVE-2025-4418 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.4/10

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

CVSS 4.0
6.7/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.09%

0.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-4418?
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.
How severe is CVE-2025-4418?
CVE-2025-4418 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.
How do I fix CVE-2025-4418?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-4418?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST