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CVE-2021-4133 (GCVE-0-2021-4133)
Vulnerability from cvelistv5 – Published: 2022-01-25 19:11 – Updated: 2024-08-03 17:16| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2033602 | x_refsource_MISC |
| https://github.com/keycloak/keycloak/issues/9247 | x_refsource_MISC |
| https://github.com/keycloak/keycloak/security/adv… | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
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CNVD-2022-08727
Vulnerability from cnvd - Published: 2022-02-08目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页: https://access.redhat.com/security/cve/cve-2021-4133
| Name | Red Hat Keycloak >=12.0.0,<15.1.1 |
|---|
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FKIE_CVE-2021-4133
Vulnerability from fkie_nvd - Published: 2022-01-25 20:15 - Updated: 2024-11-21 06:36| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=2033602 | Issue Tracking, Third Party Advisory | |
| secalert@redhat.com | https://github.com/keycloak/keycloak/issues/9247 | Third Party Advisory | |
| secalert@redhat.com | https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487 | Third Party Advisory | |
| secalert@redhat.com | https://www.oracle.com/security-alerts/cpuapr2022.html | Not Applicable | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=2033602 | Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/keycloak/keycloak/issues/9247 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.oracle.com/security-alerts/cpuapr2022.html | Not Applicable |
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GHSA-83X4-9CWR-5487
Vulnerability from github – Published: 2022-01-06 18:32 – Updated: 2022-02-02 16:07A incorrect authorization flaw was found in Keycloak 12.0.0, the flaw allows an attacker with any existing user account to create new default user accounts via the administrative REST API even where new user registration is disabled.
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GSD-2021-4133
Vulnerability from gsd - Updated: 2023-12-13 01:23{
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RHSA-2021:5217
Vulnerability from csaf_redhat - Published: 2021-12-20 16:16 - Updated: 2026-05-14 22:31A flaw was found in Keycloak version 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.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
RHSSO 7.5 async for CVE-2021-4133
Red Hat / Red Hat Single Sign-On
|
cpe:/a:redhat:red_hat_single_sign_on:7
|
— |
Vendor Fix
fix
Workaround
|
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RHSA-2021:5218
Vulnerability from csaf_redhat - Published: 2021-12-20 16:23 - Updated: 2026-05-14 22:31A flaw was found in Keycloak version 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.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el7sso.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el7sso.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-RHSSO-7.5:rh-sso7-keycloak-server-0:15.0.2-3.redhat_00002.1.el7sso.noarch | — |
Vendor Fix
fix
Workaround
|
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RHSA-2021:5219
Vulnerability from csaf_redhat - Published: 2021-12-20 16:20 - Updated: 2026-05-14 22:31A flaw was found in Keycloak version 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.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 8Base-RHSSO-7.5:rh-sso7-keycloak-server-0:15.0.2-3.redhat_00002.1.el8sso.noarch | — |
Vendor Fix
fix
Workaround
|
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RHSA-2021_5217
Vulnerability from csaf_redhat - Published: 2021-12-20 16:16 - Updated: 2024-11-22 18:00A flaw was found in Keycloak version 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.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
RHSSO 7.5 async for CVE-2021-4133
Red Hat / Red Hat Single Sign-On
|
cpe:/a:redhat:red_hat_single_sign_on:7
|
— |
Vendor Fix
fix
Workaround
|
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RHSA-2021_5218
Vulnerability from csaf_redhat - Published: 2021-12-20 16:23 - Updated: 2024-11-22 18:01A flaw was found in Keycloak version 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.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el7sso.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el7sso.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-RHSSO-7.5:rh-sso7-keycloak-server-0:15.0.2-3.redhat_00002.1.el7sso.noarch | — |
Vendor Fix
fix
Workaround
|
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RHSA-2021_5219
Vulnerability from csaf_redhat - Published: 2021-12-20 16:20 - Updated: 2024-11-22 18:01A flaw was found in Keycloak version 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.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 8Base-RHSSO-7.5:rh-sso7-keycloak-server-0:15.0.2-3.redhat_00002.1.el8sso.noarch | — |
Vendor Fix
fix
Workaround
|
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"category": "external",
"summary": "https://github.com/keycloak/keycloak/issues/9247",
"url": "https://github.com/keycloak/keycloak/issues/9247"
},
{
"category": "external",
"summary": "https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487",
"url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487"
}
],
"release_date": "2021-12-16T17:05:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-12-20T16:20:57+00:00",
"details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.noarch",
"8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.src",
"8Base-RHSSO-7.5:rh-sso7-keycloak-server-0:15.0.2-3.redhat_00002.1.el8sso.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2021:5219"
},
{
"category": "workaround",
"details": "Access to the user-creation functionality in the REST endpoint can be deactivated using CLI commands in undertow.\nrun:\n\nbin/jboss-cli.sh --connect\n/subsystem=undertow/configuration=filter/expression-filter=keycloakPathOverrideUsersCreateEndpoint:add( \\\n expression=\"(regex(\u0027^/auth/admin/realms/(.*)/users$\u0027) and method(POST))-\u003e response-code(400)\" \\\n)\n/subsystem=undertow/server=default-server/host=default-host/filter-ref=keycloakPathOverrideUsersCreateEndpoint:add()",
"product_ids": [
"8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.noarch",
"8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.src",
"8Base-RHSSO-7.5:rh-sso7-keycloak-server-0:15.0.2-3.redhat_00002.1.el8sso.noarch"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
"version": "3.1"
},
"products": [
"8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.noarch",
"8Base-RHSSO-7.5:rh-sso7-keycloak-0:15.0.2-3.redhat_00002.1.el8sso.src",
"8Base-RHSSO-7.5:rh-sso7-keycloak-server-0:15.0.2-3.redhat_00002.1.el8sso.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "Keycloak: Incorrect authorization allows unpriviledged users to create other users"
}
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.