{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-15T19:12:03.033","vulnerabilities":[{"cve":{"id":"CVE-2021-22896","sourceIdentifier":"support@hackerone.com","published":"2021-06-11T16:15:10.887","lastModified":"2024-11-21T05:50:51.803","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Nextcloud Mail before 1.9.5 suffers from improper access control due to a missing permission check allowing other authenticated users to create mail aliases for other users."},{"lang":"es","value":"Nextcloud Mail versiones anteriores a 1.9.5, sufre de un control de acceso inapropiado debido a una falta de comprobación de permisos que permite a otros usuarios autenticados crear alias de correo para otros usuarios"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N","baseScore":4.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"support@hackerone.com","type":"Secondary","description":[{"lang":"en","value":"CWE-862"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-862"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*","versionEndExcluding":"1.9.5","matchCriteriaId":"21563E4F-BABA-400D-879F-5DCE08110B1C"}]}]}],"references":[{"url":"https://github.com/nextcloud/mail/pull/4864","source":"support@hackerone.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/nextcloud/mail/releases/tag/v1.9.5","source":"support@hackerone.com","tags":["Release Notes","Third Party Advisory"]},{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3","source":"support@hackerone.com","tags":["Third Party Advisory"]},{"url":"https://hackerone.com/reports/1129996","source":"support@hackerone.com","tags":["Third Party Advisory"]},{"url":"https://github.com/nextcloud/mail/pull/4864","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/nextcloud/mail/releases/tag/v1.9.5","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Third Party Advisory"]},{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://hackerone.com/reports/1129996","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}