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Fencer Intel
high 7.5

CVE-2021-36030 json

Magento Commerce Improper Input Validation During Checkout Process Could Lead To Privilege Escalation

published 5y ago modified 4mo ago also GHSA-rhff-65hp-55rw , EUVD-2021-22663

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability during the checkout process. An unauthenticated attacker can leverage this vulnerability to alter the price of items.

Patch / fix

  • packagist magento/community-edition 2.3.7-p1, 2.4.2-p2

Is CVE-2021-36030 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.

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Exploit prediction

2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
packagist magento/project-community-edition
<=2.0.2
 no fix listed
packagist magento/community-edition
<2.3.7-p1
1 listed version
>=2.4.2-p1, <2.4.2-p2
2.3.7-p1
2.4.2-p2

Affected products

  • Adobe Magento Commerce

Classification

Weakness
  • CWE-20 Improper Input Validation

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.