Security Bulletin: IBM Integration Bus for z/OS is vulnerable to a remote attack due to Apache Commons Net (CVE-2032-37533)

Summary

The IBM Integration Bus for z/OS toolkit is vulnerable to a remote attack due to Apache Commons Net. This bulletin identifies the steps to take to address the vulnerability.

Vulnerability Details

CVEID:CVE-2021-37533
**DESCRIPTION:**Apache Commons Net could allow a remote attacker to obtain sensitive information, caused by an issue with the FTP client trusts the host from PASV response by default. By persuading a victim to connect to specially-crafted server, an attacker could exploit this vulnerability to obtain information about services running on the private network, and use this information to launch further attacks against the affected system.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/241253 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM Integration Bus for z/OS

The APAR (IT45312) is available from

IBM Integration Bus for z/OS - Fix Pack Release 10.1.0.3

Workarounds and Mitigations

None