The email client in Jira Server and Data Center before version 7.13.16, from 8.5.0 before 8.5.7, from 8.8.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to access outgoing emails between a Jira instance and the SMTP server via man-in-the-middle (MITM) vulnerability.
The /rest/project-templates/1.0/createshared resource in Atlassian Jira Server and Data Center before version 8.5.5, from 8.6.0 before 8.7.2, and from 8.8.0 before 8.8.1 allows remote attackers to enumerate project names via an improper authorization vulnerability.