CVE-2021-37843 Information

Description

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 3.6.6 4.0.12 5.0.5; for Bamboo 2.5.9 3.6.6 4.0.12 5.0.5; and for Fisheye 2.5.9.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://wiki.resolution.de/doc/saml-sso/5.0.x/all/security-advisories/2021-07-29-authentication-bypass-network-attacker-can-login-to-users-accounts-when-usernames-are-known

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8