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    CVE-2020-27267

    KEPServerEX v6.0 to v6.9, ThingWorx Kepware Server v6.8 and v6.9, ThingWorx Industrial Connectivity (all versions), OPC-Aggregator (all versions), Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server v7.68.804 and v7.66, and Software Toolbox TOP Server all 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.

    Published:Jan 13, 2021
    Last Modified:Nov 21, 2024
    EPS:Jan 13, 2021
    EPSS Score:0.00128
    CVSS Score:9.1

    Affected Products

    Vendor
    Ge
    Product
    Industrial Gateway Server
    Vendor
    Ptc
    Product
    Kepware Kepserverex
    Vendor
    Ptc
    Product
    Opc-aggregator
    Vendor
    Ptc
    Product
    Thingworx Industrial Connectivity
    Vendor
    Ptc
    Product
    Thingworx Kepware Server
    Vendor
    Rockwellautomation
    Product
    Kepserver Enterprise
    Vendor
    Softwaretoolbox
    Product
    Top Server

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-5909 (CVSS 7.5) — KEPServerEX does not properly validate certificates from clients which may allow unauthenticated user…
    CVE-2023-5908 (CVSS 9.1) — KEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being acc…
    CVE-2022-2825 (CVSS 9.8) — This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPS…
    CVE-2022-2848 (CVSS 9.1) — This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPS…
    CVE-2020-27265 (CVSS 9.8) — KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All ver…
    CVE-2020-27263 (CVSS 9.1) — KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All ver…

    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