CVE-2021-21428
Critical
Description
Openapi generator is a java tool which allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec. openapi-generator-online creates insecure temporary folders with File.createTempFile during the code generation process. The insecure temporary folders store the auto-generated files which can be read and appended to by any users on the system. The issue has been patched with `Files.createTempFile` and released in the v5.1.0 stable version.
SeverityCritical
CVSS9.3
Exploit probability—
ProductOpenapi-generator Openapi Generator
PublishedMay 10, 2021
First seenMay 10, 2021
Weakness typeCWE-269Improper privilege management
How to fix
Update
- openapi-generator openapi_generator5.1.0 or later
- org.openapitools:openapi-generator-online5.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openapi-generator openapi_generator | v < 5.1.0 | 5.1.0 |
| org.openapitools:openapi-generator-onlineMaven | v < 5.1.0 | 5.1.0 |
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