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    "cveMetadata": {
        "cveId": "CVE-2025-34047",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2025-04-15T19:15:22.547Z",
        "datePublished": "2025-06-26T16:10:37.548Z",
        "dateUpdated": "2025-12-23T16:49:13.278Z"
    },
    "containers": {
        "cna": {
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                {
                    "defaultStatus": "unaffected",
                    "modules": [
                        "Web Management Interface (/vpn/user/download/client CGI endpoint)",
                        "ostype (used in client download URL)"
                    ],
                    "product": "Leadsec SSL VPN",
                    "vendor": "Beijing NetGuard Nebula Information Technology Co., Ltd.",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0"
                        }
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                            "value": "A path traversal vulnerability exists in the Leadsec SSL VPN (formerly Lenovo NetGuard), allowing unauthenticated attackers to read arbitrary files on the underlying system via the <code>ostype</code> parameter in the <code>/vpn/user/download/client</code> endpoint. This flaw arises from insufficient input sanitation, enabling traversal sequences&nbsp;to escape the intended directory and access sensitive files.&nbsp;Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC."
                        }
                    ],
                    "value": "A path traversal vulnerability exists in the Leadsec SSL VPN (formerly Lenovo NetGuard), allowing unauthenticated attackers to read arbitrary files on the underlying system via the ostype parameter in the /vpn/user/download/client endpoint. This flaw arises from insufficient input sanitation, enabling traversal sequences to escape the intended directory and access sensitive files. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-126",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-126 Path Traversal"
                        }
                    ]
                }
            ],
            "metrics": [
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                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 8.7,
                        "baseSeverity": "HIGH",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
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                            "lang": "en",
                            "value": "GENERAL"
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                        {
                            "cweId": "CWE-22",
                            "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-20",
                            "description": "CWE-20 Improper Input Validation",
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                "dateUpdated": "2025-11-20T20:54:01.500Z"
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            "references": [
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                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-64035"
                },
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                    "url": "https://www.leadsec.com.cn/"
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                    "url": "https://vulncheck.com/advisories/leadsec-vpn-path-traversal-file-read"
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            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "tags": [
                "x_known-exploited-vulnerability"
            ],
            "title": "Leadsec VPN Path Traversal Arbitrary File Read",
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-12-23T16:48:39.113728Z",
                                "id": "CVE-2025-34047",
                                "options": [
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                                        "Exploitation": "poc"
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                                        "Automatable": "yes"
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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",
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                    "dateUpdated": "2025-12-23T16:49:13.278Z"
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