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Fencer Intel
high 7.5

CVE-2020-9587 json

Magento authorization bypass vulnerability

published 6y ago modified 2mo ago also BIT-magento-2020-9587 , EUVD-2022-3253 , GHSA-8wm7-h2qh-ff4c

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.0%
EPSS 5.0% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have an authorization bypass vulnerability. Successful exploitation could lead to potentially unauthorized product discounts.

Patch / fix

  • packagist magento/community-edition 2.3.4-p2
  • packagist magento/core 1.9.4.5
  • bitnami magento 2.2.12, 2.3.5

Is CVE-2020-9587 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

5.01% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
GitHub 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
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
packagist magento/community-edition
<=2.2.11
>=2.3.0, <2.3.4-p2
2.3.4-p2
packagist magento/core
<1.9.4.5
1.9.4.5
packagist magento/project-community-edition
<=2.0.2
 no fix listed
bitnami magento
>=2.2.0, <2.2.12
>=2.3.0, <2.3.5
2.2.12
2.3.5

Affected products

  • Adobe Magento

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.