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Fencer Intel
medium 6.5

CVE-2021-28563 json

Magento Commerce improper Authorization via the 'Create Customer' endpoint

published 5y ago modified 2mo ago also BIT-magento-2021-28563 , EUVD-2022-4939 , GHSA-q9xx-4689-gvv5

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by an Improper Authorization vulnerability via the 'Create Customer' endpoint. Successful exploitation could lead to unauthorized modification of customer data by an unauthenticated attacker. Access to the admin console is required for successful exploitation.

Patch / fix

  • packagist magento/community-edition 2.3.7, 2.4.2-p1
  • bitnami magento 2.3.7, 2.4.3
  • magento magento 2.3.7

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Exploit prediction

1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist magento/community-edition
>=2.4.0, <2.4.2-p1
<2.3.7
2.4.2-p1
2.3.7
bitnami magento
<2.3.7
>=2.4.0, <2.4.3
2.3.7
2.4.3

Affected products

  • Adobe Magento Commerce

Classification

Weakness

References

Sources

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.