{"id":"CVE-2020-27534","aliases":["EUVD-2024-0274","GHSA-6hwg-w5jg-9c6x"],"status":"published","title":"Path Traversal in Moby builder","description":"util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01766,"percentile":0.78378,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2020-12-30T22:28:10Z","modified":"2026-10-24T10:47:49Z","fixes":[{"ecosystem":"Go","package":"github.com/moby/moby","fixed_in":["19.03.9"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/docker/docker","fixed_in":["19.03.9"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/moby/moby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.03.9"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/docker/docker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.03.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/moby/moby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.03.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/docker/docker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.03.9"}]}]}],"products":[{"vendor":"docker","product":"docker"}],"references":[{"url":"https://github.com/moby/buildkit/pull/1462","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/moby/moby/pull/40877","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://golang.org/pkg/io/ioutil/#TempDir","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://golang.org/pkg/os/#TempDir","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27534","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921154","tags":["web"]},{"url":"http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6hwg-w5jg-9c6x"}],"sources":{"cve":[{"id":"CVE-2020-27534","description":"util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.","status":"published","published":"2020-12-30T22:28:10Z","modified":"2024-08-04T16:18:44.387Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2024-0274","description":"util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.","status":"published","published":"2020-12-30T22:28:10Z","modified":"2024-08-04T16:18:44Z","updated_at":"2026-11-03T03:07:12.435876Z"}],"ghsa":[{"id":"GHSA-6hwg-w5jg-9c6x","title":"Path Traversal in Moby builder","description":"util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.","status":"published","published":"2024-01-31T23:13:10Z","modified":"2024-04-22T19:08:27Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:37:44.335614Z"}],"nvd":[{"id":"CVE-2020-27534","description":"util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.","status":"published","published":"2020-12-30T23:15:15.297Z","modified":"2026-06-17T03:09:16.98Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"CVE-2020-27534","description":"util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.","status":"published","published":"2020-12-30T23:15:15.297Z","modified":"2026-10-24T10:47:49.042211587Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-6hwg-w5jg-9c6x","title":"Path Traversal in Moby builder","description":"util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.","status":"published","published":"2024-01-31T23:13:10Z","modified":"2026-09-10T03:50:09.240988294Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:39.618611Z"}]}}