CVE-2021-31345

    Dashboard / Vulnerabilities / CVE-2021-31345

    CVE-2021-31345

    Published: 9 Nov 2021Last Modified: 10 Mar 2026

    Summary:

    Details: 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)

    References: https://cert-portal.siemens.com/productcert/html/ssa-044112.html, , https://cert-portal.siemens.com/productcert/html/ssa-114589.html, https://cert-portal.siemens.com/productcert/html/ssa-620288.html, https://cert-portal.siemens.com/productcert/html/ssa-845392.html, https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf, https://cert-portal.siemens.com/productcert/pdf/ssa-845392.pdf, https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf, https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2021-31345 | CVE-DB