Security Bulletin: IBM Extended Command-Line Interface (XCLI) Utility is affected by a vulnerability in Apache Log4j (CVE-2021-4104)

Summary

A vulnerability was identified within the Apache Log4j library that is used by IBM Extended Command-Line Interface (XCLI) Utility for IBM FlashSystem A9000/A9000R, IBM XIV Storage System models 114/214/314, and IBM Spectrum Accelerate. This vulnerability has been addressed.

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&gt; 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

Remediation/Fixes

Upgrade to IBM Extended Command-Line Interface (XCLI) Utility 5.5.4.