CVE-2021-21247

{"id": "CVE-2021-21247", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 3.1}]}, "published": "2021-01-15T21:15:13.583", "references": [{"url": "https://github.com/theonedev/onedev/security/advisories/GHSA-6pxf-75cf-vwjp", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-74"}]}], "descriptions": [{"lang": "en", "value": "OneDev is an all-in-one devops platform. In OneDev before version 4.0.3, the application's BasePage registers an AJAX event listener (`AbstractPostAjaxBehavior`) in all pages other than the login page. This listener decodes and deserializes the `data` query parameter. We can access this listener by submitting a POST request to any page. This issue may lead to `post-auth RCE` This endpoint is subject to authentication and, therefore, requires a valid user to carry on the attack. This issue was addressed in 4.0.3 by encrypting serialization payload with secrets only known to server."}, {"lang": "es", "value": "OneDev es una plataforma devops todo en uno. En OneDev versiones anteriores a 4.0.3, la BasePage de la aplicaci\u00f3n registra un detector de eventos AJAX (\"AbstractPostAjaxBehavior\") en todas las p\u00e1ginas excepto en la p\u00e1gina de inicio de sesi\u00f3n. Este oyente decodifica y deserializa el par\u00e1metro de consulta \"data\". Podemos acceder a este oyente mediante el env\u00edo de una petici\u00f3n POST a cualquier p\u00e1gina. Este problema puede conllevar a una \"post-auth RCE\". Este endpoint est\u00e1 sujeto a autenticaci\u00f3n y, por lo tanto, requiere un usuario v\u00e1lido para llevar a cabo el ataque. Este problema fue abordado en la versi\u00f3n 4.0.3 al descifrar una carga \u00fatil de serializaci\u00f3n con secretos que solo conoce el servidor"}], "lastModified": "2021-01-21T15:21:02.213", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:onedev_project:onedev:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5287F01C-3A77-4491-AB49-401A50FAA6E9", "versionEndExcluding": "4.0.3"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}