CVE-2019-18928: cyrus-imapd: privilege escalation in HTTP request

Severity: Critical

CVSS Score: 9.8

Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connection.