Security Bulletin: Vulnerabilities in Apache Log4j affect IBM App Connect for Manufacturing 2.0 (CVE-2021-4104)

Summary

Vulnerabilities in Apache Log4j affect IBM App Connect for Manufacturing 2.0. An attacker who can control log messages or log message parameters can execute arbitrary code leading to Remote Code Execution (RCE) attacks. IBM App Connect for Manufacturing 2.0 has addressed the vulnerability.

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

IBM strongly recommends addressing the vulnerability now by applying the patches listed in this table. This superceeds apar IT3937.

Interim fix for APAR (IT39451) is available from

2.0.0.5 IBM Fix Central

2.0.0.6 IBM Fix Central

2.0.0.7 IBM Fix Central

Workarounds and Mitigations

None