Adobe Security Bulletin

Last updated on 17 November 2022 | Also applies to Digital Editions

Security Updates Available for Adobe Genuine Software Client | APSB21-27

Bulletin ID	Date Published	Priority
APSB21-27	May 11, 2020	3

Summary

Adobe has released updates for the Adobe Genuine Software Client for Windows and macOS. This update resolves an important vulnerability that could lead to privilege escalation in the context of the current user.

Affected Versions

Product	Version	Platform
Adobe Genuine Software Client	Version 7.1  and earlier versions	Windows and macOS

Note:

To verify the version of Adobe Genuine Software Client installed on your system, please follow the following steps: 

For Windows machines:

Navigate to C:\Program Files (x86)\Common Files\Adobe\AdobeGCClient
Right click on AdobeGCClient.exe, select “Properties”. 
Go to “Details” tab, the File Version can be seen within.

For mac machines:

Navigate to /Library/Application Support/Adobe/AdobeGCClient/
Right click on AdobeGCClient, select Get Info. 
File Version can be seen corresponding version tag

Solution

Adobe categorizes these updates with the following priority ratings.

Product	Version	Platform	Priority Rating
Adobe Genuine Software Client	7.3	Windows and macOS	3

Note:

Adobe Genuine Software Client has a self-update mechanism that runs automatically at a regular interval when the host is connected to the internet. For more details regarding Adobe Genuine Software Client, please visit here.

Vulnerability details

Vulnerability Category	Vulnerability Impact	Severity	CVE Numbers
Insecure File Permission	Privilege Escalation	Important	CVE-2021-28568

Acknowledgments

Adobe would like to thank Qingyang Chen of Topsec Alpha Team for reporting these issues and for working with Adobe to help protect our customers. 

Revisions

May 14, 2021: Updated CVE ID and Acknowledgements section.

November 8, 2022: Updated product name to "Adobe Genuine Software Client"

Adobe

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