CVE-2021-20139

Katalog CVE

CVSS 8.8 · High EPSS 4,0%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada gryphonconnect gryphon tower firmware. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

An unauthenticated command injection vulnerability exists in the parameters of operation 3 in the controller_server service on Gryphon Tower routers. An unauthenticated remote attacker on the same network can execute commands as root on the device by sending a specially crafted malicious packet to the controller_server service on port 9999.

Rincian

Terbit di NVD

9 Desember 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.8 (High), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

EPSS (30 hari)

4,0% peluang dieksploitasi; lebih tinggi dari 90,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.tenable.com/security/research/tra-2021-51 exploit · advisory vendor