Deserialization of Untrusted Data Affecting singoocms.utility package, versions [0,]



    Attack Complexity High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.26% (65th percentile)
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9.8 critical

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  • published 27 Feb 2022
  • disclosed 8 Dec 2021
  • credit Keyang Yin, zpbrent(zhou, peng@shu)

How to fix?

There is no fixed version for SinGooCMS.Utility.


SinGooCMS.Utility is a collection of tools, including configuration, file, date, data, serialization, reflection, image processing, network, cache, Web related, encryption and decryption, compression, class expansion and other tools, almost covering the development of All tool requirements! Support netstandard2.1 and net framework 4.6.1.

Affected versions of this package are vulnerable to Deserialization of Untrusted Data. The socket client in the package can pass in the payload via the user-controllable input after it has been established, because this socket client transmission does not have the appropriate restrictions or type bindings for the BinaryFormatter.


Serialization is a process of converting an object into a sequence of bytes which can be persisted to a disk or database or can be sent through streams. The reverse process of creating object from sequence of bytes is called deserialization. Serialization is commonly used for communication (sharing objects between multiple hosts) and persistence (store the object state in a file or a database). It is an integral part of popular protocols like Remote Method Invocation (RMI), Java Management Extension (JMX), Java Messaging System (JMS), Action Message Format (AMF), Java Server Faces (JSF) ViewState, etc.

Deserialization of untrusted data (CWE-502) is when the application deserializes untrusted data without sufficiently verifying that the resulting data will be valid, thus allowing the attacker to control the state or the flow of the execution.