{"id":"CVE-2020-2023","aliases":["EUVD-2022-0858","GHSA-6978-vg2j-cc9q"],"status":"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.","severity":{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01149,"percentile":0.67265,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-250","CWE-269"],"published":"2020-06-10T17:30:12Z","modified":"2026-10-24T10:50:38Z","exploits":[{"source":"pocgithub","id":"ssst0n3/kata-cve-2020-2023-poc","title":"ssst0n3/kata-cve-2020-2023-poc","date":"2023-05-08","url":"https://github.com/ssst0n3/kata-cve-2020-2023-poc"}],"fixes":[{"ecosystem":"Go","package":"github.com/kata-containers/agent","fixed_in":["1.9.1","1.10.5","1.11.1"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/kata-containers/runtime","fixed_in":["1.9.1","1.10.5","1.11.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/kata-containers/agent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.9"},{"fixed":"1.9.1"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/kata-containers/agent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.10.0"},{"fixed":"1.10.5"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/kata-containers/agent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.0"},{"fixed":"1.11.1"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/kata-containers/runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.9"},{"fixed":"1.9.1"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/kata-containers/runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.10.0"},{"fixed":"1.10.5"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/kata-containers/runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.0"},{"fixed":"1.11.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kata-containers/agent","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.9.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kata-containers/agent","ranges":[{"type":"SEMVER","events":[{"introduced":"1.10.0"},{"fixed":"1.10.5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kata-containers/agent","ranges":[{"type":"SEMVER","events":[{"introduced":"1.11.0"},{"fixed":"1.11.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kata-containers/runtime","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.9.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kata-containers/runtime","ranges":[{"type":"SEMVER","events":[{"introduced":"1.10.0"},{"fixed":"1.10.5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kata-containers/runtime","ranges":[{"type":"SEMVER","events":[{"introduced":"1.11.0"},{"fixed":"1.11.1"}]}]}],"products":[{"vendor":"kata containers","product":"kata containers"},{"vendor":"katacontainers","product":"runtime"}],"references":[{"url":"https://github.com/kata-containers/runtime/pull/2487","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/kata-containers/runtime/pull/2477","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/kata-containers/runtime/issues/2488","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/kata-containers/agent/issues/791","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/kata-containers/agent/pull/792","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/kata-containers/runtime/releases/tag/1.11.1","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://github.com/kata-containers/runtime/releases/tag/1.10.5","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2023","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6978-vg2j-cc9q"},{"url":"https://github.com/kata-containers","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-2023","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.","status":"published","published":"2020-06-10T17:30:12.051Z","modified":"2024-09-17T01:15:36.499Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-250"],"updated_at":"2026-11-02T14:35:51.206854Z"}],"euvd":[{"id":"EUVD-2022-0858","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.","status":"published","published":"2020-06-10T17:30:12Z","modified":"2024-09-17T01:15:36Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T00:28:51.722495Z"}],"ghsa":[{"id":"GHSA-6978-vg2j-cc9q","title":"Improper Privilege Management and Execution with Unnecessary Privileges in Kata Containers","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.","status":"published","published":"2022-02-15T01:57:18Z","modified":"2023-02-01T05:05:32Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-250","CWE-269"],"updated_at":"2026-11-02T14:36:34.917834Z"}],"nvd":[{"id":"CVE-2020-2023","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.","status":"published","published":"2020-06-10T18:15:11.28Z","modified":"2026-06-17T03:11:39.44Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-250"],"updated_at":"2026-11-02T14:06:05.962132Z"}],"osv":[{"id":"CVE-2020-2023","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.","status":"published","published":"2020-06-10T18:15:11.28Z","modified":"2026-10-24T10:50:38.320039729Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:15.212689Z"},{"id":"GHSA-6978-vg2j-cc9q","title":"Improper Privilege Management and Execution with Unnecessary Privileges in Kata Containers","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.","status":"published","published":"2022-02-15T01:57:18Z","modified":"2023-11-08T04:02:48.321662Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-250","CWE-269"],"updated_at":"2026-11-02T15:46:39.618611Z"}]}}