Adobe Security Bulletin

Security updates available for Adobe Experience Manager | APSB21-39

Bulletin ID

Date Published

Priority

APSB21-39

June 08, 2021 

2

Summary

Adobe has released updates for Adobe Experience Manager (AEM). These updates resolve vulnerabilities rated Important and moderate.  Successful exploitation of these vulnerabilities could result in arbitrary JavaScript execution in the browser.

Affected product versions

Product Version Platform

 

Adobe Experience Manager (AEM)

AEM Cloud Service (CS)
All
6.5.8.0 and earlier versions 
All

Solution

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

Product

Version

Platform

Priority

Availability

 

Adobe Experience Manager (AEM) 

AEM Cloud Service (CS)
All 2 Release Notes

6.5.9.0 

All

2

AEM 6.5 Service Pack Release Notes   
Märkus.

Customers running on Adobe Experience Manager’s Cloud Service will automatically receive updates that include new features as well as security and functionality bug fixes.  

Märkus.

Please contact Adobe customer care for assistance with AEM versions 6.3 and 6.2.

Vulnerability details

Vulnerability Category

Vulnerability Impact

Severity

CVSS base score 

CVE Number 

Cross-site Scripting (XSS)

(CWE-79)

Arbitrary code execution

Important

6.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVE-2021-28625

Improper Authorization (CWE-285)

Application denial-of-service

Moderate

3.7

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE-2021-28626

Server-Side Request Forgery (SSRF)

(CWE-918)

Security feature bypass

Important

5.4

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

CVE-2021-28627

Cross-site Scripting (XSS)

(CWE-79)

Arbitrary code execution

Important

6.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVE-2021-28628

Updates to dependencies

Dependency
Vulnerability Impact
Affected Versions
Apache Xerces2
Application Denial-of-Service

AEM CS 

AEM 6.5.8.0 and earlier 

Apache Sling Improper Access Control

AEM CS 

AEM 6.5.8.0 and earlier 

Handlebars.js
Improper Access Control

AEM CS 

AEM 6.5.8.0 and earlier 

Uber Jar
Remote Code Execution

AEM CS 

AEM 6.5.8.0 and earlier 

jQuery
Improper Access Control

AEM CS 

AEM 6.5.8.0 and earlier 

Eclipse Jetty
Uncontrolled Resource Consumption

AEM CS 

AEM 6.5.8.0 and earlier 

Acknowledgments

Adobe would like to thank  SignorRossi (CVE-2021-28627) for reporting this issue and for working with Adobe to help protect our customers.  

Revisions

June 15, 2021: Updated CVSS vector for  CVE-2021-28626.


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

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