cvelist/2023/25xxx/CVE-2023-25821.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-25821",
        "ASSIGNER": "security-advisories@github.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.0.1, contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-284: Improper Access Control",
                        "cweId": "CWE-284"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "nextcloud",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "security-advisories",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 24.0.4, < 24.0.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 25.0.0, < 25.0.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w6h-5qgw-4j94",
                "refsource": "MISC",
                "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w6h-5qgw-4j94"
            },
            {
                "url": "https://github.com/nextcloud/server/pull/34502",
                "refsource": "MISC",
                "name": "https://github.com/nextcloud/server/pull/34502"
            },
            {
                "url": "https://hackerone.com/reports/1724016",
                "refsource": "MISC",
                "name": "https://hackerone.com/reports/1724016"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-7w6h-5qgw-4j94",
        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
                "version": "3.1"
            }
        ]
    }
}