Security Bulletin: Vulnerability in Apache Log4j affects some features of Internet Service Monitoring Agent for IBM Application Performance Management(CVE-2021-4104)

Summary

Apache Log4j open source library used by “Internet Service Monitoring Agent” (ISM Agent) is affected by a vulnerability that could allow a remote attacker to execute arbitrary code on the system. ISM Agent has addressed the applicable CVE. As a part of solution log4j has been upgraded to version 2.17.0.

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

Remediation/Fixes

Fix Central - 8.1.4.0-IBM-APM-ISM-AGENT-IF0001

Workarounds and Mitigations

None