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    CVE-2021-33728

    A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system allows to upload JSON objects that are deserialized to JAVA objects. Due to insecure deserialization of user-supplied content by the affected software, a privileged attacker could exploit this vulnerability by sending a crafted serialized Java object. An exploit could allow the attacker to execute arbitrary code on the device with root privileges.

    Published:Oct 12, 2021
    Last Modified:Nov 21, 2024
    EPS:Oct 12, 2021
    EPSS Score:0.01993
    CVSS Score:7.2

    Affected Products

    Vendor
    Siemens
    Product
    Sinec Nms

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

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    CVE-2025-40737 (CVSS 8.7) — A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application does not prop…
    CVE-2025-40736 (CVSS 9.3) — A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application exposes an en…
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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