CVE Feed

    Dashboard / CVE / CVE-2017-6026

    CVE-2017-6026

    A Use of Insufficiently Random Values issue was discovered in Schneider Electric Modicon PLCs Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The session numbers generated by the web application are lacking randomization and are shared between several users. This may allow a current session to be compromised.

    Published:Jun 30, 2017
    Last Modified:Apr 20, 2025
    EPS:Jun 30, 2017
    EPSS Score:0.14763
    CVSS Score:9.1

    Affected Products

    Vendor
    Schneider-electric
    Product
    Modicon M241
    Vendor
    Schneider-electric
    Product
    Modicon M241 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M251
    Vendor
    Schneider-electric
    Product
    Modicon M251 Firmware

    Exploits

    https://www.exploit-db.com/exploits/45918/https://www.exploit-db.com/exploits/45918/https://www.exploit-db.com/exploits/45918

    Related CVEs

    CVE-2024-6528 (CVSS 5.4) — CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exi…
    CVE-2021-22699 (CVSS 7.5) — Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9…
    CVE-2020-7488 (CVSS 7.5) — A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive inf…
    CVE-2020-7487 (CVSS 9.8) — A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker …
    CVE-2019-6820 (CVSS 8.2) — A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification …
    CVE-2017-6030 (CVSS 6.5) — A predictable value range from previous values issue was discovered in Schneider Electric Modicon PLCs Modicon…
    CVE-2017-6028 (CVSS 9.8) — An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, …

    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