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[email protected]NVD:CVE-2021-37843

HistoryAug 02, 2021 - 7:15 p.m.

CVE-2021-37843

2021-08-0219:15:08

CWE-306

[email protected]

web.nvd.nist.gov

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.01 Low

EPSS

Percentile

83.5%

JSON

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

NVD

Node

atlassiansaml_single_sign_onRange<2.5.9bamboo

atlassiansaml_single_sign_onRange<2.5.9bitbucket

atlassiansaml_single_sign_onRange<2.5.9fisheye

atlassiansaml_single_sign_onRange<3.5.6confluence

atlassiansaml_single_sign_onRange<3.6.6.1jira

atlassiansaml_single_sign_onRange3.0.0–3.6.6bamboo

atlassiansaml_single_sign_onRange3.0.0–3.6.6bitbucket

atlassiansaml_single_sign_onRange3.6.0–3.6.6.1confluence

atlassiansaml_single_sign_onRange4.0.0–4.0.12bamboo

atlassiansaml_single_sign_onRange4.0.0–4.0.12bitbucket

atlassiansaml_single_sign_onRange4.0.0–4.0.12confluence

atlassiansaml_single_sign_onRange4.0.0–4.0.12jira

atlassiansaml_single_sign_onRange5.0.0–5.0.5bamboo

atlassiansaml_single_sign_onRange5.0.0–5.0.5bitbucket

atlassiansaml_single_sign_onRange5.0.0–5.0.5confluence

atlassiansaml_single_sign_onRange5.0.0–5.0.5jira

References

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

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.01 Low

EPSS

Percentile

83.5%

JSON

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