CVE Feed

    Dashboard / CVE / CVE-2019-6821

    CVE-2019-6821

    CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communication in Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum.

    Published:May 22, 2019
    Last Modified:Nov 21, 2024
    EPS:May 22, 2019
    EPSS Score:0.00239
    CVSS Score:6.5

    Affected Products

    Vendor
    Schneider-electric
    Product
    Modicon M340
    Vendor
    Schneider-electric
    Product
    Modicon M340 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580
    Vendor
    Schneider-electric
    Product
    Modicon M580 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Premium
    Vendor
    Schneider-electric
    Product
    Modicon Premium Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Quantum
    Vendor
    Schneider-electric
    Product
    Modicon Quantum Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2025-6625 (CVSS 8.7) — CWE-20: Improper Input Validation vulnerability exists that could cause a Denial Of Service when specific craf…
    CVE-2024-8936 (CVSS 8.3) — CWE-20: Improper Input Validation vulnerability exists that could lead to loss of confidentiality of controlle…
    CVE-2024-8938 (CVSS 9.2) — CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that cou…
    CVE-2024-8933 (CVSS 7.5) — CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerabilit…
    CVE-2024-5056 (CVSS 6.5) — CWE-552: Files or Directories Accessible to External Parties vulnerability exists which may prevent user to up…
    CVE-2023-25620 (CVSS 6.5) — A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause denia…
    CVE-2023-25619 (CVSS 7.5) — A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause denial …
    CVE-2020-7475 (CVSS 9.8) — A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'), …
    CVE-2018-7794 (CVSS 7.5) — A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon …
    CVE-2019-6857 (CVSS 7.5) — A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon …

    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