CVE-2021-37843: 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…

PriorityP262critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.54%

71.7th percentile

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

7 ranges

Vendor	Product	Version range	Fixed in
atlassian	saml_single_sign_on	< 2.5.9	2.5.9
atlassian	saml_single_sign_on	< 3.5.6	3.5.6
atlassian	saml_single_sign_on	< 3.6.6.1	3.6.6.1
atlassian	saml_single_sign_on	>= 3.0.0 < 3.6.6	3.6.6
atlassian	saml_single_sign_on	>= 3.6.0 < 3.6.6.1	3.6.6.1
atlassian	saml_single_sign_on	>= 4.0.0 < 4.0.12	4.0.12
atlassian	saml_single_sign_on	>= 5.0.0 < 5.0.5	5.0.5

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

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