{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T19:43:11.168","vulnerabilities":[{"cve":{"id":"CVE-2021-21242","sourceIdentifier":"security-advisories@github.com","published":"2021-01-15T21:15:13.227","lastModified":"2024-11-21T05:47:50.890","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"OneDev is an all-in-one devops platform. In OneDev before version 4.0.3, there is a critical vulnerability which can lead to pre-auth remote code execution. AttachmentUploadServlet deserializes untrusted data from the `Attachment-Support` header. This Servlet does not enforce any authentication or authorization checks. This issue may lead to pre-auth remote code execution. This issue was fixed in 4.0.3 by removing AttachmentUploadServlet and not using deserialization"},{"lang":"es","value":"OneDev es una plataforma devops todo en uno. En OneDev versiones anteriores a  4.0.3, Se presenta una vulnerabilidad crítica que puede conllevar a una ejecución de código remota previa a la autenticación. El componente AttachmentUploadServlet deserializa los datos no confiables desde el encabezado \"Attachment-Support\". Este Servlet no aplica ninguna comprobación de autenticación o autorización. Este problema puede causar una ejecución de código remota previa a la autenticación. Este problema es corregido en versión 4.0.3 al eliminar AttachmentUploadServlet y no usar la deserialización"}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","baseScore":10.0,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":5.8},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-74"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-502"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:onedev_project:onedev:*:*:*:*:*:*:*:*","versionEndExcluding":"4.0.3","matchCriteriaId":"5287F01C-3A77-4491-AB49-401A50FAA6E9"}]}]}],"references":[{"url":"https://github.com/theonedev/onedev/commit/f864053176c08f59ef2d97fea192ceca46a4d9be","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/theonedev/onedev/security/advisories/GHSA-5q3q-f373-2jv8","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://github.com/theonedev/onedev/commit/f864053176c08f59ef2d97fea192ceca46a4d9be","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/theonedev/onedev/security/advisories/GHSA-5q3q-f373-2jv8","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}