{"api_version":"1","generated_at":"2026-04-22T21:37:46+00:00","cve":"CVE-2021-4178","urls":{"html":"https://cve.report/CVE-2021-4178","api":"https://cve.report/api/cve/CVE-2021-4178.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-4178","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-4178"},"summary":{"title":"CVE-2021-4178","description":"A arbitrary code execution flaw was found in the Fabric 8 Kubernetes client affecting versions 5.0.0-beta-1 and above. Due to an improperly configured YAML parsing, this will allow a local and privileged attacker to supply malicious YAML.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2022-08-24 16:15:00","updated_at":"2022-10-04 17:55:00"},"problem_types":["CWE-502"],"metrics":[],"references":[{"url":"https://github.com/fabric8io/kubernetes-client/issues/3653","name":"https://github.com/fabric8io/kubernetes-client/issues/3653","refsource":"MISC","tags":[],"title":"Security issue in kubernetes-client · Issue #3653 · fabric8io/kubernetes-client · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/security/cve/CVE-2021-4178","name":"https://access.redhat.com/security/cve/CVE-2021-4178","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/advisories/GHSA-98g7-rxmf-rrxm","name":"https://github.com/advisories/GHSA-98g7-rxmf-rrxm","refsource":"MISC","tags":[],"title":"fabric8 kubernetes-client vulnerable  · CVE-2021-4178 · GitHub Advisory Database · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2034388","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2034388","refsource":"MISC","tags":[],"title":"2034388 – (CVE-2021-4178) CVE-2021-4178 kubernetes-client: Insecure deserialization in unmarshalYaml method","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-4178","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4178","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"a-mq_streams","cpe6":"2.0.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"build_of_quarkus","cpe6":"2.2.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"descision_manager","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"fabric8-kubernetes","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"fabric8-kubernetes","cpe6":"5.0.0","cpe7":"beta1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"fabric8-kubernetes","cpe6":"5.8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"fuse","cpe6":"7.11","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"integration_camel_k","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"integration_camel_quarkus","cpe6":"2.2.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_application_runtimes","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"4178","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"process_automation","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2021-4178","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"kubernetes-client","version":{"version_data":[{"version_value":"Affects 5.x versions, Fixed in kubernetes-client v5.0.3 and above."}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-502 - Deserialization of Untrusted Data"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2034388","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2034388"},{"refsource":"MISC","name":"https://access.redhat.com/security/cve/CVE-2021-4178","url":"https://access.redhat.com/security/cve/CVE-2021-4178"},{"refsource":"MISC","name":"https://github.com/advisories/GHSA-98g7-rxmf-rrxm","url":"https://github.com/advisories/GHSA-98g7-rxmf-rrxm"},{"refsource":"MISC","name":"https://github.com/fabric8io/kubernetes-client/issues/3653","url":"https://github.com/fabric8io/kubernetes-client/issues/3653"}]},"description":{"description_data":[{"lang":"eng","value":"A arbitrary code execution flaw was found in the Fabric 8 Kubernetes client affecting versions 5.0.0-beta-1 and above. Due to an improperly configured YAML parsing, this will allow a local and privileged attacker to supply malicious YAML."}]}},"nvd":{"publishedDate":"2022-08-24 16:15:00","lastModifiedDate":"2022-10-04 17:55:00","problem_types":["CWE-502"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM"},"exploitabilityScore":0.8,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fabric8-kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1.0","versionEndExcluding":"5.1.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fabric8-kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2.0","versionEndExcluding":"5.3.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fabric8-kubernetes:5.8.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fabric8-kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5.0","versionEndExcluding":"5.7.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fabric8-kubernetes:5.0.0:beta1:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fabric8-kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0.1","versionEndExcluding":"5.0.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fabric8-kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11.0","versionEndExcluding":"5.11.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fabric8-kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9.0","versionEndExcluding":"5.10.2","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:a-mq_streams:2.0.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:fuse:7.11:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:integration_camel_quarkus:2.2.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:build_of_quarkus:2.2.5:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"4178","Ordinal":"224099","Title":"CVE-2021-4178","CVE":"CVE-2021-4178","Year":"2021"},"notes":[]}}}