{"containers": {"cna": {"affected": [{"product": "Nextcloud Server", "vendor": "n/a", "versions": [{"status": "affected", "version": "19.0.2"}]}], "descriptions": [{"lang": "en", "value": "A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-310", "description": "Cryptographic Issues - Generic (CWE-310)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-12-29T10:06:12", "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/742588"}, {"tags": ["x_refsource_MISC"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-039"}, {"name": "20201225 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Dec/55"}, {"name": "20201229 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Dec/57"}, {"name": "20201229 Re: CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Dec/58"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "support@hackerone.com", "ID": "CVE-2020-8150", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Nextcloud Server", "version": {"version_data": [{"version_value": "19.0.2"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Cryptographic Issues - Generic (CWE-310)"}]}]}, "references": {"reference_data": [{"name": "https://hackerone.com/reports/742588", "refsource": "MISC", "url": "https://hackerone.com/reports/742588"}, {"name": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-039", "refsource": "MISC", "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-039"}, {"name": "20201225 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2020/Dec/55"}, {"name": "20201229 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2020/Dec/57"}, {"name": "20201229 Re: CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2020/Dec/58"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:48:25.666Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/742588"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-039"}, {"name": "20201225 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2020/Dec/55"}, {"name": "20201229 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2020/Dec/57"}, {"name": "20201229 Re: CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2020/Dec/58"}]}]}, "cveMetadata": {"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "assignerShortName": "hackerone", "cveId": "CVE-2020-8150", "datePublished": "2020-11-09T14:19:42", "dateReserved": "2020-01-28T00:00:00", "dateUpdated": "2024-08-04T09:48:25.666Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC2E71AB-4078-49DD-B276-7CC5990A792B", "versionEndExcluding": "19.0.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files."}, {"lang": "es", "value": "Un problema criptogr\u00e1fico en Nextcloud Server versi\u00f3n 19.0.1, permiti\u00f3 a un atacante degradar el esquema de cifrado y romper la integridad de los archivos cifrados"}], "id": "CVE-2020-8150", "lastModified": "2022-05-24T17:13:31.503", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 1.9, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-09T15:15:13.443", "references": [{"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2020/Dec/55"}, {"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2020/Dec/57"}, {"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2020/Dec/58"}, {"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/742588"}, {"source": "support@hackerone.com", "tags": ["Vendor Advisory"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-039"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-311"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-310"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}