CVE-2022-31055: google kctf

csirt@kutim:~/threat-intel/cve/CVE-2022-31055

CVSS 7.5 · High EPSS 0,63%

Kerentanan Improper Access Control pada google kctf. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

kCTF is a Kubernetes-based infrastructure for capture the flag (CTF) competitions. Prior to version 1.6.0, the kctf cluster set-src-ip-ranges was broken and allowed traffic from any IP. The problem has been patched in v1.6.0. As a workaround, those who want to test challenges privately can mark them as `public: false` and use `kctf chal debug port-forward` to connect.

Rincian

Terbit di NVD: 13 Juni 2022
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-284: Improper Access Control
EPSS (30 hari): 0,63% peluang dieksploitasi; lebih tinggi dari 48,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
google	kctf	Semua versi sebelum 1.6.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/google/kctf/commit/8cf050be974fcc2fd8aa136701f9a66f2b2a5202 patch · advisory pihak ketiga
https://github.com/google/kctf/pull/371 patch · advisory pihak ketiga
https://github.com/google/kctf/security/advisories/GHSA-4g2v-6qc6-6jv5 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.