{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-20T20:40:31.844","vulnerabilities":[{"cve":{"id":"CVE-2021-20206","sourceIdentifier":"secalert@redhat.com","published":"2021-03-26T22:15:12.617","lastModified":"2024-11-21T05:46:07.850","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An improper limitation of path name flaw was found in containernetworking/cni in versions before 0.8.1. When specifying the plugin to load in the 'type' field in the network configuration, it is possible to use special elements such as \"../\" separators to reference binaries elsewhere on the system. This flaw allows an attacker to execute other existing binaries other than the cni plugins/types, such as 'reboot'. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."},{"lang":"es","value":"Se detectó una limitación inapropiada del fallo en el nombre de la ruta en containernetworking/cni en versiones anteriores a 0.8.1. Cuando se especifica el plugin a cargar en el campo \"type\" en la configuración de red, es posible usar elementos especiales como separadores \"../\" para hacer referencia a binarios en otras partes del sistema. Este fallo permite a un atacante ejecutar otros binarios existentes que no sean los plugins y tipos de cni, como \"reboot\". La mayor amenaza de esta vulnerabilidad es la confidencialidad, la integridad y la disponibilidad del sistema."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-22"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:linuxfoundation:container_network_interface:*:*:*:*:*:*:*:*","versionEndExcluding":"0.8.1","matchCriteriaId":"03195E86-5FBC-4A4B-AAE8-B0A4AF78BBFC"}]}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1919391","source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMCONTAINERNETWORKINGCNIPKGINVOKE-1070549","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1919391","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMCONTAINERNETWORKINGCNIPKGINVOKE-1070549","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}