CVE-2021-37843: Missing Authentication for Critical Function

The resolution SAML SSO apps for Atlassian products allow a remote attacker to login to a user account when only the username is known i.e., no other authentication is provided. The fixed versions are for Jira: 3.6.6.1, 4.0.12, 5.0.5; for Confluence 3.6.6, 4.0.12, 5.0.5; for Bitbucket 2.5.9, 3.6....