Security readout for executives and security teams
Plain-English summary
This is a low-severity Magento permissions issue. A logged-in user who already has Inventory and Source permissions could use the REST API to alter inventory source data beyond what their permissions should allow. The likely business impact is limited data integrity risk, such as inaccurate stock/source records, rather than system compromise or data theft.
Executive priority
Treat as a routine patch and access-control hygiene item, not an emergency. Prioritize if inventory integrity is business-critical or many users have inventory administration rights.
Technical view
CVE-2020-24403 is CWE-285 in Magento Commerce 2.4.0, 2.3.5p1 and earlier. The Inventory component enforced insufficient authorization on REST API operations, allowing authenticated high-privilege users with Inventory and Source permissions to make unauthorized inventory source modifications. CVSS 3.1 is 2.7 with integrity impact only.
Likely exposure
Exposure is limited to Magento Commerce deployments on 2.4.0, 2.3.5p1, or earlier where authenticated users hold Inventory and Source permissions and REST API access is available.
Exploitation context
The provided sources do not cite active exploitation, and this CVE is not marked KEV. Abuse requires an authenticated user with high privileges, reducing likelihood but still creating insider or compromised-account integrity risk.
Researcher notes
Evidence supports an authorization flaw in Magento Inventory REST API behavior with low CVSS impact. Sources do not provide exploit details, active exploitation, or specific remediation text in the supplied bundle, so validation should focus on version exposure, permissions, and Adobe guidance.
Mitigation direction
- Review Adobe APSB20-59 for vendor-specified fixed versions and update guidance.
- Upgrade affected Magento Commerce instances according to Adobe guidance.
- Audit accounts with Inventory and Source permissions for least privilege.
- Restrict REST API access paths where operationally feasible.
- Monitor inventory source changes for unexpected authenticated-user activity.
Validation and detection
- Inventory Magento Commerce versions and identify 2.4.0, 2.3.5p1, or earlier deployments.
- Review role assignments for users with Inventory and Source permissions.
- Confirm Adobe advisory remediation has been applied to affected environments.
- Check logs for unusual REST API inventory source modification activity.
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-285: 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-2020-24403 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
- Low
- CVSS
- 2.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/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:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N1.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
2.7LowVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/magento/apsb20-59.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.
Improper Authorization
Improper Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.