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    CVE-2020-5142

    A stored cross-site scripting (XSS) vulnerability exists in the SonicOS SSLVPN web interface. A remote unauthenticated attacker is able to store and potentially execute arbitrary JavaScript code in the firewall SSLVPN portal. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.

    Published:Oct 12, 2020
    Last Modified:Nov 21, 2024
    EPS:Oct 12, 2020
    EPSS Score:0.00328
    CVSS Score:6.1

    Affected Products

    Vendor
    Sonicwall
    Product
    Sonicos
    Vendor
    Sonicwall
    Product
    Sonicosv

    Exploits

    https://github.com/hackerlawyer/CVE-2020-5142-POC-MB

    Related CVEs

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    CVE-2026-0402 (CVSS 4.9) — A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall…
    CVE-2026-0401 (CVSS 4.9) — A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a fi…
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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