Security Bulletin: IBM CICS TX Standard is vulnerable to allowing a remote attacker to bypass security restrictions (CVE-2021-41041).

Summary

IBM CICS TX Standard could allow a remote attacker to bypass security restrictions. The fix removes this vulnerability (CVE-2021-41041) from IBM CICS TX Standard.

Vulnerability Details

CVEID:CVE-2021-41041
**DESCRIPTION:**Eclipse Openj9 could allow a remote attacker to bypass security restrictions, caused by failing to throw the exception captured during bytecode verification when verification. By sending a specially-crafted request, an attacker could exploit this vulnerability to make unverified methods to be invoked using MethodHandles.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225398 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability by downloading and applying the interim fixes from the table below:

Product

|

Version

|

Defect

|

Remediation / First Fix

—|—|—|—

IBM CICS TX Standard

|

11.1

|

127924

|

Download fix from here

Workarounds and Mitigations

None