CVE-2021-21428: openapi-generator openapi generator

csirt@kutim:~/threat-intel/cve/CVE-2021-21428

CVSS 7.0 · High EPSS 0,35%

Kerentanan Improper Privilege Management pada openapi-generator openapi generator. Skor CVSS 3.1 7.0 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 10 Mei 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.0 (High), sumber NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-269: Improper Privilege Management
CWE-668: Exposure of Resource to Wrong Sphere
EPSS (30 hari): 0,35% peluang dieksploitasi; lebih tinggi dari 26,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
openapi-generator	openapi generator	Semua versi sebelum 5.1.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/OpenAPITools/openapi-generator/pull/8788 patch · advisory pihak ketiga
https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-23x4-m842-fmwf exploit · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.