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AUSCERT External Security Bulletin Redistribution
ESB-2021.1321
Multiple Vulnerabilities in IBM WebSphere Application Server
20 April 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: Linux variants
Impact/Access: Cross-site Request Forgery -- Remote with User Interaction
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-26296 CVE-2021-20480 CVE-2020-5258
Reference: ASB-2020.0132
ESB-2021.1200
Original Bulletin:
https://www.ibm.com/support/pages/node/6444799
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Security Bulletin
Summary
IBM WebSphere Application Server is shipped as a component of IBM WebSphere
Service Registry and Repository. Information about security vulnerabilities
affecting IBM WebSphere Application Server have been published in security
bulletins.
Vulnerability Details
Refer to the security bulletin(s) listed in the Remediation/Fixes section
Affected Products and Versions
+----------------------------------------+------------------------------------+
|Principal Product and Version(s) |Affected Supporting Product and |
| |Version(s) |
+----------------------------------------+------------------------------------+
|WebSphere Service Registry and |WebSphere Application Server V8.5.5 |
|Repository V8.5 | |
+----------------------------------------+------------------------------------+
|WebSphere Service Registry and |WebSphere Application Server V8.0 |
|Repository V8.0 | |
+----------------------------------------+------------------------------------+
Remediation/Fixes
Please consult the security bulletins:
Security Bulletin: WebSphere Application Server is vulnerable to a Server-side
Request Forgery vulnerability (CVE-2021-20480)
Security Bulletin: Vulnerability in Apache MyFaces affects WebSphere
Application Server (CVE-2021-26296)
Security Bulletin: Vulnerability in Dojo affects WebSphere Application Server
(CVE-2020-5258)
for vulnerability details and information about fixes.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
Subscribe to My Notifications to be notified of important product support
alerts like this.
References
Complete CVSS v3 Guide
On-line Calculator v3
Off
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
19 Apr 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
Document Information
Modified date:
19 April 2021
UID
ibm16444799
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