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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.3717
         APSB21-87: Security hotfix available for RoboHelp Server
                             10 November 2021

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Adobe RoboHelp Server
Publisher:         Adobe
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-42727  

Original Bulletin: 
   https://helpx.adobe.com/security/products/robohelp-server/apsb21-87.html

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Security hotfix available for RoboHelp Server | APSB21-87

Bulletin ID                  Date Published                 Priority

ASPB21-87                November 9, 2021                    3


Summary

Adobe has released a security hotfix for RoboHelp Server. This update resolves
a vulnerability rated critical . Successful exploitation could lead to
arbitrary code execution in the context of the current user.

Affected Versions

Product               Affected version                              Platform

RoboHelp Server       RHS2020.0.1 and earlier versions              Windows


Solution

Adobe categorizes these updates with the following priority rating and
recommends users update their installation to the newest version:

Product            Version       Platform   Priority rating    Availability

RoboHelp Server    RHS2020.0.2   Windows    3                  Release notes


Vulnerability Details

Vulnerability Vulnerability           CVSS
  Category       Impact     Severity  base      CVSS vector       CVE Numbers
                                     score

Path          Arbitrary                     CVSS:3.1/AV:N/AC:L/
Traversal     code          Critical 8.8    PR:N/UI:R/S:U/C:H/   CVE-2021-42727
              execution                     I:H/A:H
( CWE-22 )


Acknowledgments

Adobe would like to thank Dusan Stevanovic of Trend Micro for reporting this
issue and for working with Adobe to help protect our customers.

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For more information, visit https://helpx.adobe.com/security.html , or email
PSIRT@adobe.com.

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