{"api_version":"1","generated_at":"2026-04-22T21:39:22+00:00","cve":"CVE-2021-34824","urls":{"html":"https://cve.report/CVE-2021-34824","api":"https://cve.report/api/cve/CVE-2021-34824.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-34824","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-34824"},"summary":{"title":"CVE-2021-34824","description":"Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2021-06-29 14:15:00","updated_at":"2022-07-12 17:42:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://github.com/istio/istio/releases","name":"https://github.com/istio/istio/releases","refsource":"MISC","tags":[],"title":"Releases · istio/istio · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://istio.io/latest/news/security/istio-security-2021-007","name":"https://istio.io/latest/news/security/istio-security-2021-007","refsource":"MISC","tags":[],"title":"Istio / ISTIO-SECURITY-2021-007","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-34824","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34824","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"34824","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"istio","cpe5":"istio","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-34824","qid":"159333","title":"Oracle Enterprise Linux Security Update for olcne (ELSA-2021-9396)"},{"cve":"CVE-2021-34824","qid":"159334","title":"Oracle Enterprise Linux Security Update for olcne (ELSA-2021-9397)"},{"cve":"CVE-2021-34824","qid":"159335","title":"Oracle Enterprise Linux Security Update for olcne (ELSA-2021-9398)"},{"cve":"CVE-2021-34824","qid":"159336","title":"Oracle Enterprise Linux Security Update for olcne (ELSA-2021-9399)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-34824","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/istio/istio/releases","refsource":"MISC","name":"https://github.com/istio/istio/releases"},{"refsource":"MISC","name":"https://istio.io/latest/news/security/istio-security-2021-007","url":"https://istio.io/latest/news/security/istio-security-2021-007"}]}},"nvd":{"publishedDate":"2021-06-29 14:15:00","lastModifiedDate":"2022-07-12 17:42:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.5},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*","versionStartIncluding":"1.10.0","versionEndExcluding":"1.10.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*","versionStartIncluding":"1.8.0","versionEndExcluding":"1.9.6","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"34824","Ordinal":"210299","Title":"CVE-2021-34824","CVE":"CVE-2021-34824","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"34824","Ordinal":"1","NoteData":"Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"34824","Ordinal":"2","NoteData":"2021-06-29","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"34824","Ordinal":"3","NoteData":"2021-07-07","Type":"Other","Title":"Modified"}]}}}