Security readout for executives and security teams
Plain-English summary
CVE-2021-21022 is an authorization flaw in Magento Commerce's product module. A remote attacker could access restricted product-related resources without needing an account or user interaction. The public impact described is limited to confidentiality, not data modification or service outage.
Executive priority
Treat this as a moderate-priority ecommerce confidentiality issue. It is not described as system takeover, but unauthenticated access to restricted product data can still create business, customer, or competitive exposure.
Technical view
Magento Commerce 2.4.1 and earlier, 2.4.0-p1 and earlier, and 2.3.6 and earlier are affected by an IDOR mapped to CWE-639. CVSS 5.3 reflects network access, low complexity, no privileges, no user interaction, unchanged scope, and low confidentiality impact only.
Likely exposure
Exposure is most likely on Magento Commerce deployments running the listed vulnerable versions, particularly internet-facing commerce sites where product-module resources include restricted catalog or business data.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The CVSS vector indicates exploitation may be remotely reachable without credentials, but only unauthorized read access is described.
Researcher notes
Evidence is limited to the CVE record and Adobe advisory reference. The issue is an IDOR in the product module; validate authorization boundaries without using offensive payloads. No affected CPEs or explicit fixed versions were included in the supplied bundle.
Mitigation direction
- Check Adobe APSB21-08 for fixed versions and vendor guidance.
- Upgrade affected Magento Commerce instances to a vendor-supported fixed release.
- Restrict access to sensitive product resources where business workflows allow.
- Review custom product-module extensions for object-level authorization checks.
Validation and detection
- Inventory all Magento Commerce instances and record exact versions.
- Flag versions 2.4.1 and earlier, 2.4.0-p1 and earlier, and 2.3.6 and earlier.
- Confirm product-module routes enforce object-level authorization for restricted resources.
- Review access logs for unusual requests to restricted product resources.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-639: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-21022 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/magento/apsb21-08.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.