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    CVE-2021-20022

    SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to the remote host.

    Published:Apr 9, 2021
    Last Modified:Nov 10, 2025
    EPS:Apr 9, 2021
    EPSS Score:0.46261
    CVSS Score:7.2

    CISA Notification

    Description

    SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to the remote host.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Nov 17, 2021
    1759 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Sonicwall
    Product
    Email Security
    Vendor
    Sonicwall
    Product
    Email Security Appliance 3300
    Vendor
    Sonicwall
    Product
    Email Security Appliance 3300 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 4300
    Vendor
    Sonicwall
    Product
    Email Security Appliance 4300 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 5000
    Vendor
    Sonicwall
    Product
    Email Security Appliance 5000 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 5050
    Vendor
    Sonicwall
    Product
    Email Security Appliance 5050 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 7000
    Vendor
    Sonicwall
    Product
    Email Security Appliance 7000 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 7050
    Vendor
    Sonicwall
    Product
    Email Security Appliance 7050 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 8300
    Vendor
    Sonicwall
    Product
    Email Security Appliance 8300 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Appliance 9000
    Vendor
    Sonicwall
    Product
    Email Security Appliance 9000 Firmware
    Vendor
    Sonicwall
    Product
    Email Security Virtual Appliance
    Vendor
    Sonicwall
    Product
    Hosted Email Security

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High