{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-22T05:50:11.240","vulnerabilities":[{"cve":{"id":"CVE-2020-17516","sourceIdentifier":"security@apache.org","published":"2021-02-03T17:15:13.123","lastModified":"2024-11-21T05:08:16.080","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Apache Cassandra versions 2.1.0 to 2.1.22, 2.2.0 to 2.2.19, 3.0.0 to 3.0.23, and 3.11.0 to 3.11.9, when using 'dc' or 'rack' internode_encryption setting, allows both encrypted and unencrypted internode connections. A misconfigured node or a malicious user can use the unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement."},{"lang":"es","value":"Apache Cassandra versiones 2.1.0 hasta 2.1.22, versiones 2.2.0 hasta 2.2.19, versiones 3.0.0 hasta 3.0.23 y versiones 3.11.0 hasta 3.11.9, cuando se usa la configuración internode_encryption de \"dc\" o \"rack\", permite ambas conexiones de entre nodo cifradas y no cifradas. Un nodo configurado inapropiadamente o un usuario malicioso pueden usar la conexión no cifrada a pesar de no estar en el mismo rack o dc y omitir el requisito mutuo de TLS"}],"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:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security@apache.org","type":"Secondary","description":[{"lang":"en","value":"CWE-290"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-290"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*","versionStartIncluding":"2.1.0","versionEndIncluding":"2.1.22","matchCriteriaId":"B61EDD10-0909-46EF-9CF9-4864CDA49303"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*","versionStartIncluding":"2.2.0","versionEndIncluding":"2.2.19","matchCriteriaId":"8F5E166F-E5BE-436B-9A29-03C93F7921FD"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0.0","versionEndIncluding":"3.0.23","matchCriteriaId":"B8DDE4AE-9B3A-40FE-ADBA-821B71CB939B"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*","versionStartIncluding":"3.11.0","versionEndIncluding":"3.11.9","matchCriteriaId":"A98515B9-8285-4428-BE7B-292829D7D329"}]}]}],"references":[{"url":"http://mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D%40apache.org%3e","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r81243a412a37a22211754936a13856af07cc68a93d728c52807486e9%40%3Ccommits.cassandra.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rcb16f36cafa184dd159e94033f87d0fc274c4752d467f3a09f2ceae4%40%3Ccommits.cassandra.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rd84bec24907617bdb72f7ec907cd7437a0fd5a8886eb55aa84dd1eb8%40%3Ccommits.cassandra.apache.org%3E","source":"security@apache.org"},{"url":"https://security.netapp.com/advisory/ntap-20210521-0002/","source":"security@apache.org","tags":["Mailing List","Third Party Advisory"]},{"url":"http://mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D%40apache.org%3e","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r81243a412a37a22211754936a13856af07cc68a93d728c52807486e9%40%3Ccommits.cassandra.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rcb16f36cafa184dd159e94033f87d0fc274c4752d467f3a09f2ceae4%40%3Ccommits.cassandra.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rd84bec24907617bdb72f7ec907cd7437a0fd5a8886eb55aa84dd1eb8%40%3Ccommits.cassandra.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20210521-0002/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]}]}}]}