Product by Zyxel

    Zyxel Usg20-vpn Firmware

    15 known vulnerabilities in Zyxel Usg20-vpn Firmware (Zyxel), 4 of them actively exploited (CISA KEV).

    Key figures

    15

    Vulnerabilities

    4

    Actively exploited (KEV)

    0

    Used by ransomware

    5

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Zyxel Usg20-vpn Firmware (Zyxel)
    CriticalCVE-2020-9054

    Zyxel Multiple NAS Devices OS Command Injection Vulnerability

    In CISA KEValso in 23 other products

    		9.8
    CriticalCVE-2023-33010

    Zyxel Multiple Firewalls Buffer Overflow Vulnerability

    In CISA KEValso in 28 other products

    		9.8
    CriticalCVE-2023-33009

    Zyxel Multiple Firewalls Buffer Overflow Vulnerability

    In CISA KEValso in 28 other products

    		9.8
    CriticalCVE-2020-29583

    Zyxel Multiple Products Use of Hard-Coded Credentials Vulnerability

    In CISA KEValso in 26 other products

    		9.8
    MediumCVE-2019-9955

    Zyxel Atp200 Firmware: Cross-Site Scripting (XSS)

    also in 20 other products

    		6.1
    CriticalCVE-2021-35029

    Zyxel USG/Zywall series Firmware: Improper Authentication

    also in 35 other products

    		9.8
    HighCVE-2022-38547

    Zyxel ZyWALL/USG series firmware: OS Command Injection

    also in 28 other products

    		7.2
    HighCVE-2023-27991

    Zyxel ATP series firmware: OS Command Injection

    also in 23 other products

    		8.8
    HighCVE-2023-6398

    Zyxel ATP series firmware: OS Command Injection

    also in 45 other products

    		7.2
    HighCVE-2022-30526

    Zyxel USG FLEX 100(W) firmware: Improper Privilege Management

    also in 30 other products

    		7.8
    MediumCVE-2022-2030

    Zyxel USG FLEX 100(W) firmware: Path Traversal

    also in 30 other products

    		6.5
    HighCVE-2023-6764

    Zyxel ATP series firmware: Use of Externally-Controlled Format String

    also in 24 other products

    		8.1
    MediumCVE-2023-22918

    Zyxel ATP series firmware: Exposure of Private Personal Information to an Unauthorized Actor

    also in 54 other products

    		6.5
    MediumCVE-2023-6399

    Zyxel ATP series firmware: Use of Externally-Controlled Format String

    also in 25 other products

    		5.7
    MediumCVE-2023-27990

    Zyxel ATP series firmware: Cross-site Scripting

    also in 23 other products

    		4.8

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