{"id":"AZL-7195","summary":"CVE-2021-29157 affecting package dovecot for versions less than 2.3.20-1","details":"Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.","modified":"2026-04-01T05:22:07.298447Z","published":"2021-06-28T12:15:08Z","upstream":["CVE-2021-29157"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29157"}],"affected":[{"package":{"name":"dovecot","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/dovecot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.20-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-7195.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}