THREATPORT/VULNERABILITY/CVE-2021-21013
HIGH SEVERITY

CVE-2021-21013

Magento vulnerability

CVSS
8.1
EPSS
3.2%
EPSS pct
87th
Exploited
No known
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 customer API module. Successful exploitation could lead to sensitive information disclosure and update arbitrary information on another user's account.
Affected vendor
Adobe
Affected product
Magento
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness type (CWE)
  • CWE-863 — Incorrect Authorization
  • CWE-639 — Authorization Bypass Through User-Controlled Key
Published
2021-01-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2021-21013

  • Confirm whether Adobe Magento is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-21013.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-21013

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