Security Bulletin: IBM Cloud Pak for Multicloud Management Monitoring is vulnerable to arbitrary code execution due to its use of Logback (CVE-2021-42550)

Security Bulletin

Summary

Logback is used by IBM Cloud Pak for Multicloud Management Monitoring in its cassandra component to write logs. This vulnerability is limited to a malicious insider who can find and manipulate the logging configuration files.

Vulnerability Details

CVEID: CVE-2021-42550
DESCRIPTION: Logback could allow a remote authenticated attacker to execute arbitrary code on the system. By using a specially-crafted configuration, an attacker could exploit this vulnerability to execute arbitrary code loaded from LDAP servers.
CVSS Base score: 6.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215533 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 Cloud Pak for Multicloud Management Monitoring	2.0 - 2.3 Fix Pack 4

Remediation/Fixes

To address the vulnerability, IBM strongly recommends you to upgrade IBM Cloud Pak for Multicloud Management to 2.3 Fix Pack 5. For upgrading instructions, see https://www.ibm.com/docs/en/cloud-paks/cp-management/2.3.x?topic=installation-upgrade.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support alerts like this.

References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Change History

18 Jul 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSFC4F","label":"IBM Cloud Pak for Multicloud Management"},"Component":"Monitoring","Platform":[{"code":"PF016","label":"Linux"}],"Version":"2.3","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Tips

Security Bulletin: IBM Cloud Pak for Multicloud Management Monitoring is vulnerable to arbitrary code execution due to its use of Logback (CVE-2021-42550)