CVE-2025-4418— AVEVA PI Connector for CygNet Improper Validation of Integrity Check Value
Quick assessment
Affected
AVEVA PI Connector for CygNet
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
AVEVA PI Connector for CygNet是英国AVEVA公司的一个提供从CygNet SCADA系统到PI系统的单向数据传输的工具。 AVEVA PI Connector for CygNet 1.6.14及之前版本存在安全漏洞，该漏洞源于完整性检查值验证不当，可能导致服务无响应。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-4418
Vulnerability Information
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Vulnerability Title
AVEVA PI Connector for CygNet Improper Validation of Integrity Check Value
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
完整性检查值验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
AVEVA PI Connector for CygNet 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AVEVA PI Connector for CygNet是英国AVEVA公司的一个提供从CygNet SCADA系统到PI系统的单向数据传输的工具。 AVEVA PI Connector for CygNet 1.6.14及之前版本存在安全漏洞，该漏洞源于完整性检查值验证不当，可能导致服务无响应。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AVEVA | PI Connector for CygNet | 0 ~ 1.6.14 | - |
|
II. Public POCs for CVE-2025-4418
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · AVEVA · 2025-06-12 · 5 CVEs total
| CVE-2025-44019 | 7.1 HIGH | AVEVA PI Data Archive Uncaught Exception |
| CVE-2025-2745 | 6.5 MEDIUM | AVEVA PI Web API Cross-site Scripting |
| CVE-2025-36539 | 6.5 MEDIUM | AVEVA PI Data Archive Uncaught Exception |
| CVE-2025-4417 | 5.5 MEDIUM | AVEVA PI Connector for CygNet Cross-site Scripting |
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V. Comments for CVE-2025-4418
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