CVE-2021-21429

Creation of Temporary File in Directory with Insecure Permissions in the OpenAPI Generator Maven plugin

Description

OpenAPI Generator allows generation of API client libraries, server stubs, documentation and configuration automatically given an OpenAPI Spec. Using `File.createTempFile` in JDK will result in creating and using insecure temporary files that can leave application and system data vulnerable to attacks. OpenAPI Generator maven plug-in creates insecure temporary files during the process. The issue has been patched with `Files.createTempFile` and released in the v5.1.0 stable version.

Category

4.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: OpenAPITools openapi-generator
Published at:
Updated at:

References

Link Tags
https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-867q-77cc-98mv third party advisory patch
https://github.com/OpenAPITools/openapi-generator/pull/8795 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-21429?
CVE-2021-21429 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21429?
To fix CVE-2021-21429, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21429 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21429 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21429?
CVE-2021-21429 affects OpenAPITools openapi-generator.
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