Security readout for executives and security teams
Plain-English summary
This is a critical blind SQL injection flaw in Magento Commerce's Search module. The source bundle says successful exploitation could allow unauthorized access to restricted resources. Exposure appears limited to attackers with admin-console access, although the bundled description also mentions unauthenticated attack, creating an evidence conflict.
Executive priority
Treat as urgent for any affected Magento Commerce environment because the impact is high and the software is business-facing. Prioritize patch verification and admin-console access reduction, while noting that active exploitation is not evidenced in the supplied sources.
Technical view
CVE-2021-21024 is CWE-89 in Magento Commerce 2.4.1 and earlier, 2.4.0-p1 and earlier, and 2.3.6 and earlier. CVSS 3.0 is 9.1 with network attack vector, low complexity, high privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations running affected Magento Commerce versions are exposed, especially if admin-console access is reachable by broad internal users or the internet. The bundle does not provide CPEs, exact fixed versions, or deployment-specific indicators.
Exploitation context
The CVE is not listed as CISA KEV in the bundle, so active exploitation is not established here. The privilege requirement is unclear: CVSS says high privileges, while the description also says unauthenticated attacker and admin-console access required.
Researcher notes
The main uncertainty is attacker privilege. The CVSS vector requires high privileges, but the description also references an unauthenticated attacker and admin-console access. Validate against Adobe APSB21-08 before drawing conclusions about practical exploitability or scanner logic.
Mitigation direction
- Review Adobe APSB21-08 for the vendor-approved fix and affected-version matrix.
- Upgrade affected Magento Commerce installations according to Adobe guidance.
- Restrict admin-console access to trusted networks and authorized administrators.
- Audit administrator accounts and remove unnecessary high-privilege access.
- Monitor Magento and database logs for suspicious search-module activity.
Validation and detection
- Inventory Magento Commerce versions across production, staging, and backup environments.
- Confirm whether any instance is 2.4.1 or earlier, 2.4.0-p1 or earlier, or 2.3.6 or earlier.
- Verify admin-console exposure from the internet and internal network segments.
- Check whether Adobe APSB21-08 remediation has been applied.
- Document any compensating access controls protecting the admin console.
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-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-21024 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
- Critical
- CVSS
- 9.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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:H/UI:N/S:C/C:H/I:H/A:H2.36Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9.1CriticalVector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.