cvelist/2021/32xxx/CVE-2021-32703.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-32703",
        "STATE": "PUBLIC",
        "TITLE": "Lack of ratelimit on shareinfo endpoint"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "security-advisories",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 19.0.13"
                                        },
                                        {
                                            "version_value": ">= 20.0.0, < 20.0.11"
                                        },
                                        {
                                            "version_value": ">= 21.0.0, < 21.0.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "nextcloud"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the shareinfo endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-799: Improper Control of Interaction Frequency"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-375p-cxxq-gc9p",
                "refsource": "CONFIRM",
                "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-375p-cxxq-gc9p"
            },
            {
                "name": "https://github.com/nextcloud/server/pull/26945",
                "refsource": "MISC",
                "url": "https://github.com/nextcloud/server/pull/26945"
            },
            {
                "name": "https://hackerone.com/reports/1173684",
                "refsource": "MISC",
                "url": "https://hackerone.com/reports/1173684"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-9b421b78af",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J63NBVPR2AQCAWRNDOZSGRY5II4WS2CZ/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-6f327296fe",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BVZS26RDME2DYTKET5AECRIZDFUGR2AZ/"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202208-17",
                "url": "https://security.gentoo.org/glsa/202208-17"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-375p-cxxq-gc9p",
        "discovery": "UNKNOWN"
    }
}