CVE-2021-4133
CVSS V2 Medium 6.5
CVSS V3 High 8.8
Description
A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.
Overview
- CVE ID
- CVE-2021-4133
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-25T20:15:08
- Last Modified Date
- 2022-09-03T03:33:21
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* | 1 | OR | 12.0.0 | 15.1.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487 | Third Party Advisory |
| https://github.com/keycloak/keycloak/issues/9247 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2033602 | Issue Tracking Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuapr2022.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-4133 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4133 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-20 16:58:49 | Added to TrackCVE | |||
| 2022-12-06 07:41:11 | 2022-01-25T20:15Z | 2022-01-25T20:15:08 | CVE Published Date | updated |
| 2022-12-06 07:41:11 | 2022-09-03T03:33:21 | CVE Modified Date | updated | |
| 2022-12-06 07:41:12 | Analyzed | Vulnerability Status | updated |