Adobe Security Bulletin

Security updates available for Adobe Experience Manager | APSB21-15

Bulletin ID

Date Published

Priority

APSB21-15

May 11, 2021 

2

Summary

Adobe has released updates for Adobe Experience Manager (AEM). These updates resolve vulnerabilities rated Critical and Important.  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
6.5.7.0 and earlier versions 
All
6.4.8.3 and earlier versions 
All 
6.3.3.8 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

6.5.8.0 

All

2

AEM 6.5 Service Pack Release Notes   

6.4.8.4 

All

2

AEM 6.4 Cumulative Fix Pack Release Notes  

Note:

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.  

Note:

AEM Cumulative Fix Pack 6.4.8.4 is an important update that includes several internal and customer fixes since the general availability of AEM 6.4 Service Pack 8 (6.4.8.0) in March 2020.

Note:

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

Vulnerability details

Vulnerability Category

Vulnerability Impact

Severity

CVE Number 

Affected Versions

Improper Access control

Application denial-of-service

Important

CVE-2021-21083

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Cross-site scripting (stored)

Arbitrary JavaScript execution in the browser

Critical

CVE-2021-21084

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier 

Updates to dependencies

Dependency
Vulnerability Impact
Affected Versions
Commons-io
Improper Access Control

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier 

MetadataExtractor
Uncontrolled Resource Consumption

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

FasterXML Jackson Databind/Core
Remote Code Execution

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Eclipse Jetty
Improper Access Control

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Lucene Queryparser
Remote Code Execution

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Apache XML-RPC
Arbitrary Code Execution

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Zip4j
Arbitrary Code Execution

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Apache Directory LDAP API
Improper Access Control

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Apache Sling
Improper Access Control

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Apache Felix
Arbitrary Code Execution

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Apache Solr
Improper Read/Write Access

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Apache Tomcat
Improper Access Control

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

jQuery
Arbitrary Code Execution

AEM CS 

AEM 6.5.7.0 and earlier 

AEM 6.4.8.3 and earlier 

AEM 6.3.3.8 and earlier

Acknowledgments

Adobe would like to thank Thomas Hartmann from netcentric (CVE-2021-21083) reporting both issues and for working with Adobe to help protect our customers. 

 Adobe

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