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    Dashboard / CVE / CVE-2021-32994

    CVE-2021-32994

    Softing OPC UA C++ SDK (Software Development Kit) versions from 5.59 to 5.64 exported library functions don't properly validate received extension objects, which may allow an attacker to crash the software by sending a variety of specially crafted packets to access several unexpected memory locations.

    Published:Apr 4, 2022
    Last Modified:Apr 16, 2025
    EPS:Apr 4, 2022
    EPSS Score:0.00116
    CVSS Score:7.5

    Affected Products

    Vendor
    Softing
    Product
    Opc Ua C\+\+ Software Development Kit

    Exploits

    No exploit reference

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    CVE-2022-37453 (CVSS 7.5) — An issue was discovered in Softing OPC UA C++ SDK before 6.10. A buffer overflow or an excess allocation happe…
    CVE-2022-2337 (CVSS 7.5) — A crafted HTTP packet with a missing HTTP URI can create a denial-of-service condition in Softing Secure Integ…
    CVE-2022-1069 (CVSS 7.5) — A crafted HTTP packet with a large content-length header can create a denial-of-service condition in Softing S…
    CVE-2022-2338 (CVSS 5.7) — Softing Secure Integration Server V1.22 is vulnerable to authentication bypass via a machine-in-the-middle att…
    CVE-2022-2335 (CVSS 7.5) — A crafted HTTP packet with a -1 content-length header can create a denial-of-service condition in Softing Secu…
    CVE-2022-2334 (CVSS 7.2) — The application searches for a library dll that is not found. If an attacker can place a dll with this name, t…
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    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