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Security Bulletin: IBM Security Access Manager has fixed a vulnerability in the log4j library shipped with the product. (CVE-2021-4104)

Security Bulletin


The IBM Security Access Manager version 9.0 ships with a version of log4j that is vulnerable to CVE-2021-4104. The log4j library is no longer used by the IBM Security Access Manager product and a Fixpack has been provided to remove the unused library.

Vulnerability Details

CVEID:   CVE-2021-4104
DESCRIPTION:   Apache Log4j could allow a remote authenticated attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. If the deployed application is configured to use JMSAppender, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 6.6
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Security Access Manager Appliance9.0.0.0 -
IBM Security Access Manager Docker9.0.5.0 -


IBM Security Access Manager Appliance

IBM Security Access Manager customers with installed versions of through can apply the fixpack to remove the log4j v1 library from their systems.  It is still recommended that customers move to the latest supported version of IBM Security Access Manager to receive any further security fixes.

Affected Products and VersionsFixpack availability
IBM Security Access Manager through
IBM Security Access Manager



IBM Security Access Manager (Container)

For v9.0.5.0 through

  • Obtain the latest version of the container by running the following command “docker pull ibmcom/isam:[tag]”

            Where [tag] is the latest published version and can be confirmed here

  • DownloadAppliance Fix Pack here
  • Apply Appliance Fix Pack as outlined here

Workarounds and Mitigations


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Change History

14 Dec 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.


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 Location


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Document Information

Modified date:
04 January 2022