Adobe Security Bulletin

Security Updates Available for Adobe Lightroom Classic | APSB21-97

Bulletin ID

Date Published

Priority

ASPB21-97

October 26, 20201    

2

Summary

Adobe has released updates for Adobe Lightroom Classic for Windows and macOS. This update addresses a critical vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.  

Affected Versions

Product

Version

Platform

Lightroom Classic

10.3 and earlier versions      

Windows

Solution

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version via the Creative Cloud desktop app’s update mechanism.  For more information, please reference this help page.

Product

Version

Platform

Priority Rating

Availability

Lightroom Classic        

Lightroom Classic v10.4 and v11.0 

Windows and macOS

3

For managed environments, IT administrators can use the Admin Console to deploy Creative Cloud applications to end users. Refer to this help page for more information.

Vulnerability details

Vulnerability Category

Vulnerability Impact

Severity

CVE Numbers

Creation of Temporary File in Directory with Incorrect Permissions (CWE-379

Privilege escalation  
        

Critical

CVE-2021-40776 

Acknowledgments

Adobe would like to thank CQY of Topsec Alpha Team (yjdfy)  for reporting this issue and for working with Adobe to help protect our customers.      

  • CQY of Topsec Alpha Team (yjdfy) (CVE-2021-40776)

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