gsd-2020-27826
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-27826",
"description": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.",
"id": "GSD-2020-27826",
"references": [
"https://access.redhat.com/errata/RHSA-2020:5533",
"https://access.redhat.com/errata/RHSA-2020:5528",
"https://access.redhat.com/errata/RHSA-2020:5527",
"https://access.redhat.com/errata/RHSA-2020:5526",
"https://security.archlinux.org/CVE-2020-27826"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-27826"
],
"details": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.",
"id": "GSD-2020-27826",
"modified": "2023-12-13T01:22:10.707919Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2020-27826",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "keycloak",
"version": {
"version_data": [
{
"version_value": "keycloak 12.0.0"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-250"
}
]
}
]
},
"references": {
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{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1905089",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1905089"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "(,12.0.0)",
"affected_versions": "All versions before 12.0.0",
"cvss_v2": "AV:N/AC:M/Au:S/C:P/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-250",
"CWE-937"
],
"date": "2021-06-04",
"description": "A flaw was found in Keycloak where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.",
"fixed_versions": [
"12.0.0"
],
"identifier": "CVE-2020-27826",
"identifiers": [
"CVE-2020-27826"
],
"not_impacted": "All versions starting from 12.0.0",
"package_slug": "maven/org.keycloak/keycloak-core",
"pubdate": "2021-05-28",
"solution": "Upgrade to version 12.0.0 or above.",
"title": "Execution with Unnecessary Privileges",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-27826",
"https://bugzilla.redhat.com/show_bug.cgi?id=1905089"
],
"uuid": "406aed48-640c-4d42-b698-90b589995c54"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
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"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "12.0.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*",
"cpe_name": [],
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},
{
"cpe23Uri": "cpe:2.3:a:redhat:single_sign-on:7.4:*:*:*:*:*:*:*",
"cpe_name": [],
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},
{
"cpe23Uri": "cpe:2.3:a:redhat:single_sign-on:7.4.4:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
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"operator": "OR"
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"ID": "CVE-2020-27826"
},
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"data_version": "4.0",
"description": {
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{
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"value": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-250"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1905089",
"refsource": "MISC",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1905089"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 4.9,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.6,
"impactScore": 2.5
}
},
"lastModifiedDate": "2021-06-04T16:50Z",
"publishedDate": "2021-05-28T11:15Z"
}
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.