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    CVE-2021-31345

    A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions). The total length of an UDP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on a user-defined applications that runs on top of the UDP protocol. (FSMD-2021-0006)

    Published:Nov 9, 2021
    Last Modified:Mar 11, 2025
    EPS:Nov 9, 2021
    EPSS Score:0.01246
    CVSS Score:7.5

    Affected Products

    Vendor
    Siemens
    Product
    Apogee Modular Building Controller
    Vendor
    Siemens
    Product
    Apogee Modular Building Controller Firmware
    Vendor
    Siemens
    Product
    Apogee Modular Equiment Controller
    Vendor
    Siemens
    Product
    Apogee Modular Equiment Controller Firmware
    Vendor
    Siemens
    Product
    Apogee Pxc Compact
    Vendor
    Siemens
    Product
    Apogee Pxc Compact Firmware
    Vendor
    Siemens
    Product
    Apogee Pxc Modular
    Vendor
    Siemens
    Product
    Apogee Pxc Modular Firmware
    Vendor
    Siemens
    Product
    Capital Vstar
    Vendor
    Siemens
    Product
    Nucleus Net
    Vendor
    Siemens
    Product
    Nucleus Readystart V3
    Vendor
    Siemens
    Product
    Nucleus Source Code
    Vendor
    Siemens
    Product
    Talon Tc Compact
    Vendor
    Siemens
    Product
    Talon Tc Compact Firmware
    Vendor
    Siemens
    Product
    Talon Tc Modular
    Vendor
    Siemens
    Product
    Talon Tc Modular Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2021-31890 (CVSS 7.5) — A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR…
    CVE-2021-31889 (CVSS 7.5) — A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR…
    CVE-2021-31887 (CVSS 8.8) — A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet…
    CVE-2021-31888 (CVSS 8.8) — A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet…
    CVE-2021-31886 (CVSS 9.8) — A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet…
    CVE-2021-31885 (CVSS 7.5) — A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet…
    CVE-2021-31884 (CVSS 9.8) — A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet…
    CVE-2021-31883 (CVSS 7.1) — A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR…
    CVE-2021-31882 (CVSS 6.5) — A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR…

    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