CVE-2021-37843
Atlassian Resolution SAML SSO Username Enumeration Vulnerability
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.
INFO
Published Date :
Aug. 2, 2021, 7:15 p.m.
Last Modified :
Aug. 11, 2021, 1:53 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-37843.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-37843 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-37843 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Aug. 11, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://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 No Types Assigned https://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 Third Party Advisory Added CWE NIST CWE-306 Added CPE Configuration OR *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* versions up to (excluding) 2.5.9 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* versions up to (excluding) 2.5.9 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:fisheye:*:* versions up to (excluding) 2.5.9 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* versions from (including) 3.0.0 up to (excluding) 3.6.6 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* versions from (including) 3.0.0 up to (excluding) 3.6.6 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* versions up to (excluding) 3.5.6 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* versions from (including) 3.6.0 up to (excluding) 3.6.6.1 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:* versions up to (excluding) 3.6.6.1 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* versions from (including) 4.0.0 up to (excluding) 4.0.12 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* versions from (including) 4.0.0 up to (excluding) 4.0.12 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* versions from (including) 4.0.0 up to (excluding) 4.0.12 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:* versions from (including) 4.0.0 up to (excluding) 4.0.12 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* versions from (including) 5.0.0 up to (excluding) 5.0.5 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* versions from (including) 5.0.0 up to (excluding) 5.0.5 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* versions from (including) 5.0.0 up to (excluding) 5.0.5 *cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:* versions from (including) 5.0.0 up to (excluding) 5.0.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-37843 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-37843
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.98 }} 0.09%
score
0.83169
percentile