CVE-2023-28771

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi EPSS 99,3%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada zyxel atp100 firmware, zyxel atp100w firmware +17 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut zyxel.com.tw. Masuk katalog KEV CISA pada 31 Mei 2023, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.

Rincian

Terbit di NVD

25 April 2023

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber zyxel.com.tw
CVSS:3.1/AV:N/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)

99,3% peluang dieksploitasi; lebih tinggi dari 99,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Zyxel Multiple Firewalls OS Command Injection Vulnerability

Masuk KEV

31 Mei 2023

Tenggat CISA

21 Juni 2023 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injecti... advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28771 pemerintah AS
• http://packetstormsecurity.com/files/172820/Zyxel-IKE-Packet-Decoder-Unauthenticated-Remote-Code-Execution.htm... exploit · advisory pihak ketiga