Security Bulletin
Summary
Vulnerability in Apache Log4j (CVE-2021-4104) may affect IBM Security Access Manager for Enterprise Single Sign-On. Although no known vulnerability impact has been proven, it is strongly recommended to apply the fix that upgrades log4j from version 1.x to version 2.1.17.
Vulnerability Details
CVEID: CVE-2021-4104
DESCRIPTION: Apache Log4j could allow a remote 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: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215048 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Security Access Manager for Enterprise Single-Sign On | 8.2.0, 8.2.1, 8.2.2 |
Remediation/Fixes
IBM strongly recommends customers update their systems promptly.
(1) Security vulnerabilities related to log4j are addressed and fixed in IBM Security Access Manager for Enterprise Single-Sign On version 8.2.2 only. Customers running a version prior to version 8.2.2 should first upgrade to IBM Security Access Manager for Enterprise Single-Sign On version 8.2.2, and then apply Fix Pack 13.
(2) Apply Fix Pack 13 on IBM Security Access Manager for Enterprise Single-Sign On version 8.2.2 as per the details available here.
Workarounds and Mitigations
None
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References
Change History
30 Mar 2022: 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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
30 March 2022
Initial Publish date:
30 March 2022
UID
ibm16568203