Vulnerability in Openapi-Generator Openapi Generator
CVE-2021-21429
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Openapi-Generator Openapi Generator
- Openapitools Openapi-Generator — versions < 5.1.0
Weakness classification (CWE)
References
- github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-867q-77cc-98… (Patch, Third Party Advisory)
- github.com/OpenAPITools/openapi-generator/pull/8795 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21429?
- CVE-2021-21429 is a medium-severity vulnerability in Openapi-Generator Openapi Generator, classified under Files or Directories Accessible to External Parties. CVSS score: 4.0/10. Published 2021-04-27.
- How severe is CVE-2021-21429?
- Medium severity. CVSS v3 base score is 4.0 out of 10.