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No exploitation reportedFix available

CVE-2021-28584

No exploitation reported by the sources we read.

  • Published2021-06-28
  • Fixed in2.4.3 · 2.4.2 · 2.3.6
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a Path Traversal vulnerability when creating a store with child theme.Successful exploitation could lead to arbitrary file system write by an authenticated attacker. Access to the admin console is required for successful exploitation.

Timeline

dates in UTC
  1. 2021-06-2814:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-28584?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-28584?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
Magento
BranchAffectedFixed in
2.4≥ 2.4.2, < 2.4.32.4.3
2.4≥ 2.4.1, < 2.4.22.4.2
2.3< 2.3.62.3.6
2.3= 2.3.6no fix published
2.4= 2.4.1no fix published
2.4= 2.4.2no fix published
magento/community-edition
BranchAffectedFixed in
2.4≥ 2.4.0, < 2.4.2-p12.4.2-p1
2.3< 2.3.72.3.7
magento/project-community-edition
BranchAffectedFixed in
2.0≤ 2.0.2no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Magento to 2.4.3 · 2.4.2 · 2.3.6

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.15.4read 2026-10-23
  • NVDCVSS 3.17.2read 2026-10-23
  • NVDCVSS 2.06.5read 2026-10-23
  • CNAweakness (CWE)CWE-22read 2026-10-23
  • FIRST EPSSEPSS score1.8 %2026-10-22
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2021-06-28
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-28584?

Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a Path Traversal vulnerability when creating a store with child theme.Successful exploitation could lead to arbitrary file system write by an authenticated attacker. Access to the admin console is required for successful exploitation.

Is CVE-2021-28584 actively exploited?

Active exploitation of CVE-2021-28584 has not been confirmed. Its EPSS score was 1.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-28584?

CVE-2021-28584 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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