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    CVE-2021-20836

    Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files.

    Published:Oct 19, 2021
    Last Modified:Nov 21, 2024
    EPS:Oct 19, 2021
    EPSS Score:0.00901
    CVSS Score:6.5

    Affected Products

    Vendor
    Omron
    Product
    Cx-supervisor

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2019-18251 (CVSS 8.8) — In Omron CX-Supervisor, Versions 3.5 (12) and prior, Omron CX-Supervisor ships with Teamviewer Version 5.0.870…
    CVE-2018-19018 (CVSS 7.3) — An access of uninitialized pointer vulnerability in CX-Supervisor (Versions 3.42 and prior) could lead to type…
    CVE-2018-19020 (CVSS 5) — When CX-Supervisor (Versions 3.42 and prior) processes project files and tampers with the value of an offset, …
    CVE-2018-19015 (CVSS 7.3) — An attacker could inject commands to launch programs and create, write, and read files on CX-Supervisor (Versi…
    CVE-2018-19017 (CVSS 8.8) — Several use after free vulnerabilities have been identified in CX-Supervisor (Versions 3.42 and prior). When p…
    CVE-2018-19013 (CVSS 5) — An attacker could inject commands to delete files and/or delete the contents of a file on CX-Supervisor (Versi…
    CVE-2018-19019 (CVSS 7.3) — A type confusion vulnerability exists when processing project files in CX-Supervisor (Versions 3.42 and prior)…
    CVE-2018-19011 (CVSS 8.8) — CX-Supervisor (Versions 3.42 and prior) can execute code that has been injected into a project file. An attack…
    CVE-2018-17907 (CVSS 3.3) — When processing project files in Omron CX-Supervisor Versions 3.4.1.0 and prior and tampering with the value o…
    CVE-2018-17913 (CVSS 7.8) — A type confusion vulnerability exists when processing project files in Omron CX-Supervisor Versions 3.4.1.0 an…

    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