Medium
Security advisory
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by a cross-site request forgery (CSRF) vulnerability via the GraphQL API. Successful exploitation could lead to unauthorized modification of customer metadata by an unauthenticated attacker. Access to the admin console is not required for successful exploitation.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-21027
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:03 UTC · Revision 1
Source evidence
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by a cross-site request forgery (CSRF) vulnerability via the GraphQL API. Successful exploitation could lead to unauthorized modification of customer metadata by an unauthenticated attacker. Access to the admin console is not required for successful exploitation.
osv:CVE-2021-21027
Complete source record
{
"id": "261f2ca827a0d652dd7acfa01404d2b57e949d53416e5d8115745da1227158ce",
"url": "https://osv.dev/vulnerability/CVE-2021-21027",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-21027",
"summary": "Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by a cross-site request forgery (CSRF) vulnerability via the GraphQL API. Successful exploitation could lead to unauthorized modification of customer metadata by an unauthenticated attacker. Access to the admin console is not required for successful exploitation.",
"evidence": "osv:CVE-2021-21027",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-21027",
"aliases": [
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"CVE-2021-21027",
"GHSA-h4xc-577p-hgj9"
],
"metrics": [
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}
],
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{
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],
"modified": "2026-10-24T10:30:47.867785420Z",
"provider": "osv",
"references": [
"https://helpx.adobe.com/security/products/magento/apsb21-08.html"
],
"provider_metadata": {
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},
"related_cves": [
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"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 436633,
"published_at": "2021-02-11T20:15:14.623+00:00"
}