{"id":"AZL-6861","summary":"CVE-2021-32066 affecting package ruby for versions less than 2.7.4-1","details":"An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\"","modified":"2026-04-01T05:21:27.935833Z","published":"2021-08-01T19:15:07Z","upstream":["CVE-2021-32066"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32066"}],"affected":[{"package":{"name":"ruby","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/ruby"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.4-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6861.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}