Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-37843

Severity CVSS v4.0:
Pending analysis
Type:
CWE-306 Missing Authentication for Critical Function
Publication date:
02/08/2021
Last modified:
11/08/2021

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* 2.5.9 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* 2.5.9 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:fisheye:*:* 2.5.9 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* 3.5.6 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:* 3.6.6.1 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* 3.0.0 (including) 3.6.6 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* 3.0.0 (including) 3.6.6 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* 3.6.0 (including) 3.6.6.1 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* 4.0.0 (including) 4.0.12 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* 4.0.0 (including) 4.0.12 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* 4.0.0 (including) 4.0.12 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:* 4.0.0 (including) 4.0.12 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* 5.0.0 (including) 5.0.5 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* 5.0.0 (including) 5.0.5 (excluding)
cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* 5.0.0 (including) 5.0.5 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools