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Fencer Intel
high 7.5

CVE-2020-9591 json

Magento defense-in-depth security mitigation vulnerability

published 6y ago modified 2mo ago also BIT-magento-2020-9591 , EUVD-2022-5529 , GHSA-w7rh-9w5v-rwqj

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.4%
EPSS 3.4% chance of exploitation in 30 days, percentile 89%
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 a defense-in-depth security mitigation vulnerability. Successful exploitation could lead to unauthorized access to admin panel.

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-2020-9591 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

3.43% chance of exploitation in the next 30 days, higher than 89% 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:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist magento/community-edition
>=2.3.0, <2.3.4-p2
<=2.2.11
2.3.4-p2
packagist magento/core
<1.9.4.5
1.9.4.5
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
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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.