{"id":"ALPINE-CVE-2021-3429","details":"When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.","modified":"2026-11-03T06:32:47.472430530Z","published":"2023-04-19T22:15:10.137Z","upstream":["CVE-2021-3429"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-3429"}],"affected":[{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20.4.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}},{"package":{"name":"cloud-init","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/cloud-init?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3429.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}