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    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-26737",
        "assignerOrgId": "73c6f63b-efac-410d-a0a9-569700f85a04",
        "state": "PUBLISHED",
        "assignerShortName": "Zscaler",
        "dateReserved": "2021-02-05T20:34:27.824Z",
        "datePublished": "2023-10-23T13:22:51.537Z",
        "dateUpdated": "2024-09-11T14:32:14.147Z"
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    "containers": {
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            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Client Connector",
                    "vendor": "Zscaler",
                    "versions": [
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                            "lessThan": "3.6",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "user": "00000000-0000-4000-9000-000000000000",
                    "value": "Thomas Chauchefoin (SonarSource), Dave Satchell (Avast Red Team)"
                }
            ],
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                    "lang": "en",
                    "supportingMedia": [
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                            "type": "text/html",
                            "value": "The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A local adversary without sufficient privileges may be able to shutdown the Zscaler tunnel by exploiting a race condition.\n\n<br>"
                        }
                    ],
                    "value": "The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A local adversary without sufficient privileges may be able to shutdown the Zscaler tunnel by exploiting a race condition.\n\n\n"
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                    "descriptions": [
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                            "lang": "en",
                            "value": "CAPEC-26 Leveraging Race Conditions"
                        }
                    ]
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            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "HIGH",
                        "baseScore": 5.5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                        "version": "3.1"
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                    "format": "CVSS",
                    "scenarios": [
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                            "lang": "en",
                            "value": "GENERAL"
                        }
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-346",
                            "description": "CWE-346 Origin Validation Error",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "73c6f63b-efac-410d-a0a9-569700f85a04",
                "shortName": "Zscaler",
                "dateUpdated": "2023-10-23T13:22:51.537Z"
            },
            "references": [
                {
                    "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS&applicable_version=3.6&deployment_date=2022-01-07&id=1388686"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Privilege Escalation Using PID Reuse in ZCC macOS",
            "x_generator": {
                "engine": "Vulnogram 0.1.0-dev"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T20:33:40.693Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS&applicable_version=3.6&deployment_date=2022-01-07&id=1388686",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-09-11T14:16:46.100288Z",
                                "id": "CVE-2021-26737",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-11T14:32:14.147Z"
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