Security readout for executives and security teams
Plain-English summary
CVE-2021-28583 affects Adobe Magento Commerce and could let an unauthenticated attacker access restricted resources through insecure RMA PDF filename design. The main business risk is exposure of sensitive documentation, not system takeover or service disruption based on the provided CVSS vector.
Executive priority
Treat as high priority for affected Magento Commerce stores because the issue is remotely reachable and confidentiality-focused. It is less urgent than confirmed exploited flaws, but customer or operational document exposure can create material business risk.
Technical view
The flaw is a secure-design violation in RMA PDF filename formats in Magento Commerce 2.4.2 and earlier, 2.4.1-p1 and earlier, and 2.3.6-p1 and earlier. CVSS 3.1 is 7.5 with network access, low complexity, no privileges, no user interaction, and high confidentiality impact.
Likely exposure
Exposure is most likely on internet-facing Magento Commerce deployments running the listed affected versions, especially where RMA PDF documents exist. The bundle does not identify affected CPEs or confirm impact for other Magento editions.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. It supports unauthenticated remote confidentiality exposure, but does not provide exploit maturity, public proof-of-concept status, or attack prevalence.
Researcher notes
Evidence is limited to CVE metadata and Adobe’s referenced bulletin. The vulnerability is classified as CWE-657 and described as insecure RMA PDF filename design. Do not infer affected editions, fixed versions, exploit availability, or exploitation in the wild from this bundle alone.
Mitigation direction
- Identify Magento Commerce installations and compare versions against the affected ranges.
- Review Adobe APSB21-30 for the vendor-supported security update or mitigation.
- Prioritize remediation on public storefronts and environments storing RMA documentation.
- Restrict unnecessary public access to sensitive generated documents where operationally possible.
Validation and detection
- Inventory Magento Commerce version strings across production and non-production environments.
- Confirm whether RMA PDF functionality and stored documents are present.
- Review access logs for unusual requests to restricted documentation paths.
- Verify remediation against Adobe APSB21-30 guidance after updates are applied.
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-657: 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-2021-28583 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
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/magento/apsb21-30.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.
Violation of Secure Design Principles
Violation of Secure Design Principles represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.