Remote Code Execution (RCE) Affecting emissary:emissary package, versions [,7.0.0)



    Attack Complexity High
    Privileges Required High
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High
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9.1 critical

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  • Snyk ID SNYK-JAVA-EMISSARY-1298625
  • published 2 Jun 2021
  • disclosed 2 Jun 2021
  • credit Unknown

How to fix?

Upgrade emissary:emissary to version 7.0.0 or higher.


Affected versions of this package are vulnerable to Remote Code Execution (RCE). The CreatePlace REST endpoint accepts an sppClassName parameter which is used to load an arbitrary class. This class is later instantiated using a constructor with the following signature: <constructor>(String, String, String). An attacker may find a gadget (class) in the application classpath that could be used to achieve Remote Code Execution (RCE) or disrupt the application.