CVE-2021-21027 json
Magento Commerce Cross-Site Request Forgery (CSRF) Could Lead To Unauthorized Data Modification
published 5y ago modified 2mo ago also BIT-magento-2021-21027 , EUVD-2022-4063 , GHSA-h4xc-577p-hgj9
- cvss
- 4.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
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.
Patch / fix
- packagist magento/community-edition 2.3.6-p1, 2.4.2
- bitnami magento 2.3.6, 2.4.1
- magento magento 2.3.6
Is CVE-2021-21027 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| OSV | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | magento/community-edition | <2.3.6-p1 >=2.4.0, <2.4.2 |
2.3.6-p1 2.4.2 |
| packagist | magento/project-community-edition | <=2.0.2 |
no fix listed |
| bitnami | magento | <2.3.6 >=2.4.0, <2.4.1 |
2.3.6 2.4.1 |
Affected products
- Adobe Magento Commerce
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/magento/magento2/commit/a2eb7e29ea92a8bbc86c3b6b81b59d8533088497
web
-
github.com
/magento/magento2/commit/a349e022c9ae070e7da262021f9ef182105aa00b
web
-
helpx.adobe.com
/security/products/magento/apsb21-08.html
web, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21027
advisory, web
-
github.com
/magento/magento2
package
Sources
- CVE List CVE-2021-21027
- GitHub Advisory GHSA-h4xc-577p-hgj9
- NVD CVE-2021-21027
- OSV BIT-magento-2021-21027
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.