CVEvulnerability

CVE-2021-37843

9.8 CRITICAL Published 2021-08-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-306

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.

Affected configurations

• atlassian saml single sign on (< 2.5.9) • atlassian saml single sign on (< 3.5.6) • atlassian saml single sign on (< 3.6.6.1) • atlassian saml single sign on (>= 3.0.0 < 3.6.6) • atlassian saml single sign on (>= 3.6.0 < 3.6.6.1) • atlassian saml single sign on (>= 4.0.0 < 4.0.12) • atlassian saml single sign on (>= 5.0.0 < 5.0.5)

Related

Weakness · CWE (1)

  • CWE-306 Missing Authentication for Critical Functionality weakness

References