Zyxel
Zyxel Usg20-vpn Firmware: vulnerabilidades y CVE
Zyxel Usg20-vpn Firmware tiene 15 vulnerabilidades publicadas, 0 de ellas en los últimos 12 meses. 5 son críticas y 4 figuran en el catálogo de explotación activa de CISA.
CVE15
Últimos 12 meses0
Críticas5
Explotadas activamente4
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🔴 Explotadas activamente (CISA KEV)
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2023-33009 | Crítica (9.8) | 28% | ⚠ Explotación activa | 24 may 2023 | 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… |
| CVE-2023-33010 | Crítica (9.8) | 29% | ⚠ Explotación activa | 24 may 2023 | A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware… |
| CVE-2020-9054 | Crítica (9.8) | 100% | ⚠ Explotación activa | 4 mar 2020 | Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary… |
| CVE-2020-29583 | Crítica (9.8) | 90% | ⚠ Explotación activa | 22 dic 2020 | Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by… |
Últimas vulnerabilidades
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2023-6764 | Alta (8.1) | 0.89% | — | 20 feb 2024 | A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W)… |
| CVE-2023-6399 | Media (6.5) | 0.65% | — | 20 feb 2024 | A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16… |
| CVE-2023-6398 | Alta (7.2) | 1.3% | — | 20 feb 2024 | A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG… |
| CVE-2023-33010 | Crítica (9.8) | 29% | ⚠ Explotación activa | 24 may 2023 | A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware… |
| CVE-2023-33009 | Crítica (9.8) | 28% | ⚠ Explotación activa | 24 may 2023 | 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… |
| CVE-2023-27991 | Alta (8.8) | 1.5% | — | 24 abr 2023 | The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions… |
| CVE-2023-27990 | Media (4.8) | 0.34% | — | 24 abr 2023 | The cross-site scripting (XSS) vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN… |
| CVE-2023-22918 | Media (6.5) | 0.77% | — | 24 abr 2023 | A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions… |
| CVE-2022-38547 | Alta (7.2) | 2.8% | — | 7 feb 2023 | A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions… |
| CVE-2022-30526 | Alta (7.8) | 1.1% | — | 19 jul 2022 | A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50… |
| CVE-2022-2030 | Media (6.5) | 1.4% | — | 19 jul 2022 | A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX… |
| CVE-2021-35029 | Crítica (9.8) | 2.3% | — | 2 jul 2021 | An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which… |
| CVE-2020-29583 | Crítica (9.8) | 90% | ⚠ Explotación activa | 22 dic 2020 | Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by… |
| CVE-2020-9054 | Crítica (9.8) | 100% | ⚠ Explotación activa | 4 mar 2020 | Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary… |
| CVE-2019-9955 | Media (6.1) | 21% | — | 22 abr 2019 | On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, ZyWALL 1100 devices, the security firewall login page… |
🎯 Cómo se explota (técnicas ATT&CK)
Número de CVE de esta tecnología asignadas a cada técnica de explotación o de impacto principal.
Otros productos de Zyxel
Gs1900-10hp Firmware · 35Cloudcnm Secumanager · 35USG Flex 100w Firmware · 34USG Flex 700 Firmware · 34USG Flex 500 Firmware · 34USG Flex 200 Firmware · 34USG Flex 100 Firmware · 30Emg3525-t50b Firmware · 28Vmg8623-t50b Firmware · 28Emg5523-t50b Firmware · 28USG Flex 50W Firmware · 26Atp500 Firmware · 25