{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T21:15:35.213","vulnerabilities":[{"cve":{"id":"CVE-2020-27222","sourceIdentifier":"emo@eclipse.org","published":"2021-02-03T16:15:13.117","lastModified":"2024-11-21T05:20:53.557","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In Eclipse Californium version 2.3.0 to 2.6.0, the certificate based (x509 and RPK) DTLS handshakes accidentally fails, because the DTLS server side sticks to a wrong internal state. That wrong internal state is set by a previous certificate based DTLS handshake failure with TLS parameter mismatch. The DTLS server side must be restarted to recover this. This allow clients to force a DoS."},{"lang":"es","value":"En Eclipse Californium versiones 2.3.0 hasta 2.6.0, los protocolos de enlace DTLS basados ??en certificados (x509 y RPK) cometen un fallo accidentalmente, porque el lado del servidor DTLS se adhiere a un estado interno equivocado.&#xa0;Ese estado interno equivocado es ajustado por medio de un fallo de protocolo de enlace DTLS basada en un certificado anterior con una falta de coincidencia de los parámetros TLS.&#xa0;El lado del servidor DTLS debe reiniciarse para recuperar esto.&#xa0;Esto permite a clientes forzar una DoS"}],"metrics":{"cvssMetricV31":[{"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:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"emo@eclipse.org","type":"Secondary","description":[{"lang":"en","value":"CWE-372"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:eclipse:californium:*:*:*:*:*:*:*:*","versionStartIncluding":"2.3.0","versionEndIncluding":"2.6.0","matchCriteriaId":"56884583-F1FF-412F-B5E6-0AD0F904F260"}]}]}],"references":[{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=570844","source":"emo@eclipse.org","tags":["Permissions Required","Vendor Advisory"]},{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=570844","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Vendor Advisory"]}]}}]}