CVE-2023-33009

CRITICALCISA KEV

9.8

Descricao

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado5/24/2023

Ultima modificacao2/26/2026

Fontekev

Avistamentos honeypot0

CISA KEV

FornecedorZyxel

ProdutoMultiple Firewalls

Nome da vulnerabilidadeZyxel Multiple Firewalls Buffer Overflow Vulnerability

Data inclusao KEV2023-06-05

Prazo de remediacao2023-06-26

Uso em ransomwareUnknown

Produtos afetados

zyxel:atp100zyxel:atp100_firmwarezyxel:atp100wzyxel:atp100w_firmwarezyxel:atp200zyxel:atp200_firmwarezyxel:atp500zyxel:atp500_firmwarezyxel:atp700zyxel:atp700_firmwarezyxel:atp800zyxel:atp800_firmwarezyxel:usg20-vpnzyxel:usg20-vpn_firmwarezyxel:usg_20w-vpnzyxel:usg_20w-vpn_firmwarezyxel:usg_40zyxel:usg_40_firmwarezyxel:usg_40wzyxel:usg_40w_firmwarezyxel:usg_60zyxel:usg_60_firmwarezyxel:usg_60wzyxel:usg_60w_firmwarezyxel:usg_flex_100zyxel:usg_flex_100_firmwarezyxel:usg_flex_100wzyxel:usg_flex_100w_firmwarezyxel:usg_flex_200zyxel:usg_flex_200_firmwarezyxel:usg_flex_50zyxel:usg_flex_500zyxel:usg_flex_500_firmwarezyxel:usg_flex_50_firmwarezyxel:usg_flex_50wzyxel:usg_flex_50w_firmwarezyxel:usg_flex_700zyxel:usg_flex_700_firmwarezyxel:vpn100zyxel:vpn1000zyxel:vpn1000_firmwarezyxel:vpn100_firmwarezyxel:vpn300zyxel:vpn300_firmwarezyxel:vpn50zyxel:vpn50_firmware

Fraquezas (CWE)

CWE-120CWE-120

Referencias

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls(security@zyxel.com.tw)

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33009(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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