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Servers and applications

CVE-2021-21012

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an insecure direct object vulnerability (IDOR) in the checkout module. Successful exploitation could lead to sensitive information disclosure.

Severity
Medium 5.3
Published
13 Jan 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Magento / Adobe CommerceServers and applications · cpe:a:adobe:magento_open_source
  • Every version up to 2.3.6
  • Version 2.4.0
  • Version 2.4.0-p1
  • Version 2.4.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21012
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21012