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        "cveId": "CVE-2025-4418",
        "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "state": "PUBLISHED",
        "assignerShortName": "icscert",
        "dateReserved": "2025-05-07T18:16:55.551Z",
        "datePublished": "2025-06-12T19:37:46.740Z",
        "dateUpdated": "2025-06-12T19:54:54.525Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "PI Connector for CygNet",
                    "vendor": "AVEVA",
                    "versions": [
                        {
                            "lessThanOrEqual": "1.6.14",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
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                    "type": "finder",
                    "value": "AVEVA reported these vulnerabilities to CISA."
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                            "value": "An improper validation of integrity check value vulnerability exists in \n\nAVEVA&nbsp;PI Connector for CygNet Versions 1.6.14 and prior that, if exploited, \ncould allow a miscreant with elevated privileges to modify PI Connector \nfor CygNet local data files (cache and buffers) in a way that causes the\n connector service to become unresponsive."
                        }
                    ],
                    "value": "An improper validation of integrity check value vulnerability exists in \n\nAVEVA PI Connector for CygNet Versions 1.6.14 and prior that, if exploited, \ncould allow a miscreant with elevated privileges to modify PI Connector \nfor CygNet local data files (cache and buffers) in a way that causes the\n connector service to become unresponsive."
                }
            ],
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                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "HIGH",
                        "baseScore": 4.4,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "HIGH",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
                        "version": "3.1"
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                            "lang": "en",
                            "value": "GENERAL"
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                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "LOCAL",
                        "baseScore": 6.7,
                        "baseSeverity": "MEDIUM",
                        "privilegesRequired": "HIGH",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
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                        "vulnIntegrityImpact": "NONE",
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                            "value": "GENERAL"
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            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-354",
                            "description": "CWE-354",
                            "lang": "en",
                            "type": "CWE"
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                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
                "shortName": "icscert",
                "dateUpdated": "2025-06-12T19:37:46.740Z"
            },
            "references": [
                {
                    "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-09"
                },
                {
                    "url": "https://www.aveva.com/en/support-and-success/cyber-security-updates/"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
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                            "value": "<p>AVEVA recommends that organizations evaluate the impact of these \nvulnerabilities based on their operational environment, architecture, \nand product implementation. Users of affected product versions should \napply security updates to mitigate the risk of exploit.</p><p>All affected versions of PI Connector for CygNet can be fixed by upgrading to PI Connector for CygNet v1.7.0 or higher. From <a target=\"_blank\" rel=\"nofollow\" href=\"https://my.osisoft.com/\">OSISoft Customer Portal</a>, search for \"PI Connector for CygNet\" and select Version 1.7.0 or higher.\n\n<br></p>\nFor additional information please refer to <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.aveva.com/en/support-and-success/cyber-security-updates/\">AVEVA-2025-002</a>.\n\n<br>"
                        }
                    ],
                    "value": "AVEVA recommends that organizations evaluate the impact of these \nvulnerabilities based on their operational environment, architecture, \nand product implementation. Users of affected product versions should \napply security updates to mitigate the risk of exploit.\n\nAll 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.\n\n\n\n\n\nFor additional information please refer to  AVEVA-2025-002 https://www.aveva.com/en/support-and-success/cyber-security-updates/ ."
                }
            ],
            "source": {
                "advisory": "ICSA-25-162-09",
                "discovery": "INTERNAL"
            },
            "title": "AVEVA PI Connector for CygNet Improper Validation of Integrity Check Value",
            "workarounds": [
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                            "value": "<p>AVEVA further recommends users follow general defensive measures:</p>\n<ul>\n<li>Ensure that PI Connector for CygNet administrative access is only provided to trusted entities.</li>\n<li>Audit custom installation folder Access Control Lists (ACLs) to ensure access is only provided to trusted entities.</li>\n<li>Audit and limit membership to the OS Local \"Administrators\" and \"PI Connector Administrators\" groups.</li>\n</ul>\n<p>For additional information please refer to <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.aveva.com/en/support-and-success/cyber-security-updates/\">AVEVA-2025-002</a></p>.\n\n<br>"
                        }
                    ],
                    "value": "AVEVA further recommends users follow general defensive measures:\n\n\n\n  *  Ensure that PI Connector for CygNet administrative access is only provided to trusted entities.\n\n  *  Audit custom installation folder Access Control Lists (ACLs) to ensure access is only provided to trusted entities.\n\n  *  Audit and limit membership to the OS Local \"Administrators\" and \"PI Connector Administrators\" groups.\n\n\n\n\nFor additional information please refer to  AVEVA-2025-002 https://www.aveva.com/en/support-and-success/cyber-security-updates/ \n\n."
                }
            ],
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                "metrics": [
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                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-06-12T19:53:58.062161Z",
                                "id": "CVE-2025-4418",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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