Security readout for executives and security teams
Plain-English summary
WSO2 API Manager 2.6.0 allowed a signed-in user to upload files as API documentation by renaming them with an allowed extension. The business risk is untrusted file storage inside an API management platform, but public sources provided do not state exploitation, impact chaining, or a vendor fix.
Executive priority
Treat as a targeted hygiene issue rather than an emergency unless WSO2 API Manager 2.6.0 is internet-facing or broadly delegated. Prioritize inventory, permission review, and vendor guidance confirmation.
Technical view
The flaw is an authenticated file-type validation bypass in the API documentation upload feature. Validation appears extension-based, allowing arbitrary file types when renamed to permitted extensions. The source bundle does not provide CVSS, CWE, exploitability details, or confirmed remediation specifics.
Likely exposure
Exposure is limited to organizations running WSO2 API Manager 2.6.0 with users who can upload API documentation. Risk is higher where many publishers or internal users have upload privileges.
Exploitation context
No active exploitation is supported by the provided sources, and the CVE is not listed as KEV. The available description only confirms a logged-in user can bypass file-type restrictions by changing a file extension.
Researcher notes
Evidence is sparse. The public bundle identifies the affected version and behavior but lacks CVSS, CWE, affected CPEs, patch notes, or exploit confirmation. Avoid assuming code execution or public exploitation without additional vendor evidence.
Mitigation direction
- Identify any WSO2 API Manager 2.6.0 deployments.
- Review WSO2 and advisory sources for vendor-confirmed remediation.
- Limit API documentation upload rights to trusted users.
- Inspect existing API documentation uploads for unexpected file types.
- Ensure file validation checks content type, not only extension.
Validation and detection
- Inventory API Manager versions and documentation upload permissions.
- Review upload validation logic or configuration for extension-only checks.
- Audit uploaded documentation files for mismatched extensions and content.
- Review logs for unusual authenticated documentation uploads.
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.
CVE-2019-6513 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.excellium-services.com/cert-xlm-advisoryCVE reference
- https://www.excellium-services.com/cert-xlm-advisory/cve-2019-6513/CVE reference
- https://cds.thalesgroup.com/en/tcs-cert/CVE-2019-6513CVE reference
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.