CVE-2021-37843
CVSS V2 High 7.5
CVSS V3 Critical 9.8
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.
Overview
- CVE ID
- CVE-2021-37843
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-02T19:15:08
- Last Modified Date
- 2021-08-11T13:53:07
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* | 1 | OR | 2.5.9 | |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* | 1 | OR | 2.5.9 | |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:fisheye:*:* | 1 | OR | 2.5.9 | |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* | 1 | OR | 3.5.6 | |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:* | 1 | OR | 3.6.6.1 | |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* | 1 | OR | 3.0.0 | 3.6.6 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* | 1 | OR | 3.0.0 | 3.6.6 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* | 1 | OR | 3.6.0 | 3.6.6.1 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* | 1 | OR | 4.0.0 | 4.0.12 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* | 1 | OR | 4.0.0 | 4.0.12 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* | 1 | OR | 4.0.0 | 4.0.12 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:* | 1 | OR | 4.0.0 | 4.0.12 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:* | 1 | OR | 5.0.0 | 5.0.5 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:* | 1 | OR | 5.0.0 | 5.0.5 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:* | 1 | OR | 5.0.0 | 5.0.5 |
| cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:* | 1 | OR | 5.0.0 | 5.0.5 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-37843 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37843 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:57:45 | Added to TrackCVE | |||
| 2022-12-05 07:12:42 | 2021-08-02T19:15Z | 2021-08-02T19:15:08 | CVE Published Date | updated |
| 2022-12-05 07:12:42 | 2021-08-11T13:53:07 | CVE Modified Date | updated | |
| 2022-12-05 07:12:42 | Analyzed | Vulnerability Status | updated |