CVE-2021-22895

{"id": "CVE-2021-22895", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2021-06-11T16:15:10.797", "references": [{"url": "https://github.com/nextcloud/desktop/pull/2926", "tags": ["Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://github.com/nextcloud/desktop/releases/tag/v3.1.3", "tags": ["Release Notes", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://hackerone.com/reports/903424", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://www.debian.org/security/2021/dsa-4974", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-295"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the \"Register with a Provider\" flow."}, {"lang": "es", "value": "Nextcloud Desktop Client versiones anteriores a 3.3.1, es vulnerable a una comprobaci\u00f3n inapropiada de certificados debido a una falta de comprobaci\u00f3n de certificados SSL cuando se usa el flujo \"Register with a Provider\""}], "lastModified": "2021-12-02T21:19:58.540", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6B91F382-D9ED-4928-90D2-3ED9DBFAF550", "versionEndExcluding": "3.1.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}