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    CVE-2021-20016

    A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information. This vulnerability impacts SMA100 build version 10.x.

    Published:Feb 3, 2021
    Last Modified:Oct 31, 2025
    EPS:Feb 3, 2021
    EPSS Score:0.83519
    CVSS Score:9.8

    CISA Notification

    Description

    A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information. This vulnerability impacts SMA100 build version 10.x.

    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
    Sonicwall
    Product
    Sma 100
    Vendor
    Sonicwall
    Product
    Sma 100 Firmware
    Vendor
    Sonicwall
    Product
    Sma 200
    Vendor
    Sonicwall
    Product
    Sma 200 Firmware
    Vendor
    Sonicwall
    Product
    Sma 210
    Vendor
    Sonicwall
    Product
    Sma 210 Firmware
    Vendor
    Sonicwall
    Product
    Sma 400
    Vendor
    Sonicwall
    Product
    Sma 400 Firmware
    Vendor
    Sonicwall
    Product
    Sma 410
    Vendor
    Sonicwall
    Product
    Sma 410 Firmware
    Vendor
    Sonicwall
    Product
    Sma 500v

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2025-32819 (CVSS 8.8) — A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges to bypass the pat…
    CVE-2022-22273 (CVSS 9.8) — Improper neutralization of Special Elements leading to OS Command Injection vulnerability impacting end-of-lif…
    CVE-2020-5146 (CVSS 7.2) — A vulnerability in SonicWall SMA100 appliance allow an authenticated management-user to perform OS command inj…
    CVE-2019-7484 (CVSS 6.5) — Authenticated SQL Injection in SonicWall SMA100 allow user to gain read-only access to unauthorized resources …
    CVE-2019-7486 (CVSS 8.8) — Code injection in SonicWall SMA100 allows an authenticated user to execute arbitrary code in viewcacert CGI sc…
    CVE-2019-7485 (CVSS 8.8) — Buffer overflow in SonicWall SMA100 allows an authenticated user to execute arbitrary code in DEARegister CGI …
    CVE-2019-7483 (CVSS 7.5) — In SonicWall SMA100, an unauthenticated Directory Traversal vulnerability in the handleWAFRedirect CGI allows …
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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