Security Bulletin: A denial of service in Microsoft .NET may affect IBM Robotic Process Automation for Cloud Pak (CVE-2023-21538)

Summary

There is a vulnerability in .NET used by IBM Robotic Process Automation as part of it’s infrastructure, which may result in a denial of service (CVE-2023-21538). This bulletin identifies the security fixes to apply to address this vulnerability.

Vulnerability Details

CVEID:CVE-2023-21538
**DESCRIPTION:**Microsoft .NET is vulnerable to a denial of service. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/243121 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now.

Workarounds and Mitigations

None