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    CVE-2021-31885

    A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.1), Nucleus Source Code (All versions), PLUSCONTROL 1st Gen (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). TFTP server application allows for reading the contents of the TFTP memory buffer via sending malformed TFTP commands. (FSMD-2021-0009)

    Published:Nov 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 9, 2021
    EPSS Score:0.00386
    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 Readystart V4
    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)

    CAPEC-100 Overflow Buffers
    CAPEC-256 SOAP Array Overflow

    Related CVEs

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    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-2021-31884 (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…
    CVE-2021-31881 (CVSS 7.1) — 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