CVE-2021-37843

Published on: 08/02/2021 12:00:00 AM UTC

Last Modified on: 08/11/2021 01:53:00 PM UTC

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

Certain versions of Saml Single Sign On from Atlassian contain the following vulnerability:

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.

  • CVE-2021-37843 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.

CVSS3 Score: 9.8 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 7.5 - HIGH

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
2021-07-29 Authentication Bypass: Network Attacker Can Login to Users’ Accounts when Usernames are Known - SAML Single Sign On wiki.resolution.de
text/html
URL Logo MISC 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

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationAtlassianSaml Single Sign OnAllAllAllAll
ApplicationAtlassianSaml Single Sign OnAllAllAllAll
ApplicationAtlassianSaml Single Sign OnAllAllAllAll
ApplicationAtlassianSaml Single Sign OnAllAllAllAll
ApplicationAtlassianSaml Single Sign OnAllAllAllAll
  • cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:*:
  • cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:*:
  • cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:*:
  • cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:fisheye:*:*:
  • cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-37843 : The resolution SAML SSO apps for #Atlassian products allow a remote attacker to login to a user ac… twitter.com/i/web/status/1… 2021-08-02 19:09:18
© CVE.report 2021 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report