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    CVE-2018-7831

    An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to send a specially crafted URL to a currently authenticated web server user to execute a password change on the web server.

    Published:Nov 30, 2018
    Last Modified:Nov 21, 2024
    EPS:Nov 30, 2018
    EPSS Score:0.00223
    CVSS Score:8.8

    Affected Products

    Vendor
    Schneider-electric
    Product
    Modicom Bmxnor0200h
    Vendor
    Schneider-electric
    Product
    Modicom Bmxnor0200h Firmware
    Vendor
    Schneider-electric
    Product
    Modicom M340
    Vendor
    Schneider-electric
    Product
    Modicom M340 Firmware
    Vendor
    Schneider-electric
    Product
    Modicom Premium
    Vendor
    Schneider-electric
    Product
    Modicom Premium Firmware
    Vendor
    Schneider-electric
    Product
    Modicom Quantum
    Vendor
    Schneider-electric
    Product
    Modicom Quantum Firmware

    Exploits

    https://www.tenable.com/security/research/tra-2018-38https://www.tenable.com/security/research/tra-2018-38

    Related CVEs

    CVE-2018-7812 (CVSS 7.5) — An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M3…
    CVE-2018-7804 (CVSS 6.1) — A URL Redirection to Untrusted Site vulnerability exists in the embedded web servers in all Modicon M340, Prem…
    CVE-2018-7833 (CVSS 7.5) — An Improper Check for Unusual or Exceptional Conditions vulnerability exists in the embedded web servers in al…
    CVE-2018-7809 (CVSS 9.8) — An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Q…
    CVE-2018-7811 (CVSS 9.8) — An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Q…
    CVE-2018-7810 (CVSS 6.1) — An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists i…
    CVE-2018-7830 (CVSS 7.5) — Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability exists in …

    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