{"id":"CVE-2020-2023","state":"PUBLISHED","title":"Kata Containers - Containers have access to the guest root filesystem device","description":"Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.","publishedAt":"2020-06-10T17:30:12.051Z","updatedAt":"2024-09-17T01:15:36.499Z","severity":{"score":3.8,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","source":"palo_alto"},"assigner":"palo_alto","products":["Kata Containers Kata Containers"],"affected":[{"vendor":"Kata Containers","product":"Kata Containers","versions":[{"version":"1.11","status":"affected","lessThan":"1.11.1","versionType":"custom"},{"version":"1.10","status":"affected","lessThan":"1.10.5","versionType":"custom"},{"version":"1","status":"affected","lessThanOrEqual":"1.9","versionType":"custom"}]}],"references":["https://github.com/kata-containers/runtime/pull/2487","https://github.com/kata-containers/runtime/pull/2477","https://github.com/kata-containers/runtime/issues/2488","https://github.com/kata-containers/agent/issues/791","https://github.com/kata-containers/agent/pull/792","https://github.com/kata-containers/runtime/releases/tag/1.11.1","https://github.com/kata-containers/runtime/releases/tag/1.10.5"],"weaknesses":["CWE-250"],"ingestedAt":"2026-10-29T19:47:19.060Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/2xxx/CVE-2020-2023.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-2023","state":"PUBLISHED","datePublished":"2020-06-10T17:30:12.051Z","dateUpdated":"2024-09-17T01:15:36.499Z","assignerShortName":"palo_alto","assignerOrgId":"d6c1279f-00f6-4ef7-9217-f89ffe703ec0","dateReserved":"2019-12-04T00:00:00.000Z"},"containers":{"cna":{"title":"Kata Containers - Containers have access to the guest root filesystem device","descriptions":[{"lang":"en","value":"Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions."}],"affected":[{"vendor":"Kata Containers","product":"Kata Containers","versions":[{"version":"1.11","status":"affected","lessThan":"1.11.1","versionType":"custom"},{"version":"1.10","status":"affected","lessThan":"1.10.5","versionType":"custom"},{"version":"1","status":"affected","lessThanOrEqual":"1.9","versionType":"custom"}]}],"references":[{"url":"https://github.com/kata-containers/runtime/pull/2487","tags":["x_refsource_MISC"]},{"url":"https://github.com/kata-containers/runtime/pull/2477","tags":["x_refsource_MISC"]},{"url":"https://github.com/kata-containers/runtime/issues/2488","tags":["x_refsource_MISC"]},{"url":"https://github.com/kata-containers/agent/issues/791","tags":["x_refsource_MISC"]},{"url":"https://github.com/kata-containers/agent/pull/792","tags":["x_refsource_MISC"]},{"url":"https://github.com/kata-containers/runtime/releases/tag/1.11.1","tags":["x_refsource_MISC"]},{"url":"https://github.com/kata-containers/runtime/releases/tag/1.10.5","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":3.8,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-250","description":"CWE-250 Execution with Unnecessary Privileges","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"palo_alto","dateUpdated":"2020-06-10T17:30:12.000Z","orgId":"d6c1279f-00f6-4ef7-9217-f89ffe703ec0"},"configurations":[{"lang":"en","value":"Affects QEMU and Cloud Hypervisor guests on the default configuration. Doesn't affect initrd (initramfs) based guests. Requires the container to have CAP_SYS_MKNOD, the default in Docker and Kubernetes with containerd, but not in Kubernetes with CRI-O."}],"credits":[{"lang":"en","value":"Yuval Avrahami, Palo Alto Networks"}],"datePublic":"2020-06-10T00:00:00.000Z","source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@paloaltonetworks.com","DATE_PUBLIC":"2020-06-10T16:00:00.000Z","ID":"CVE-2020-2023","STATE":"PUBLIC","TITLE":"Kata Containers - Containers have access to the guest root filesystem device"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Kata Containers","version":{"version_data":[{"version_affected":"<","version_name":"1.11","version_value":"1.11.1"},{"version_affected":"<","version_name":"1.10","version_value":"1.10.5"},{"version_affected":"<=","version_name":"1","version_value":"1.9"}]}}]},"vendor_name":"Kata Containers"}]}},"configuration":[{"lang":"en","value":"Affects QEMU and Cloud Hypervisor guests on the default configuration. 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