Medium severity · published Jun 12, 2025
CVE-2025-4418
AVEVA PI Connector for CygNet Improper Validation of Integrity Check Value
4.4
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
PI Connector for CygNet · AVEVA
through 1.6.14 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4418
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4418
www.aveva.com
https://www.aveva.com/en/support-and-success/cyber-security-updates/
www.cisa.gov
https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-09
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