Security Bulletin: Watson CP4D Data Stores is vulnerable to urllib3 denial of service vulnerability ( CVE-2021-33503)

Summary

Potential urllib3 denial of service vulnerability ( CVE-2021-33503) has been identified that may affect Watson CP4D Data Stores Refer to details for additional information.

Vulnerability Details

CVEID:CVE-2021-33503
**DESCRIPTION:**urllib3 is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw due to catastrophic backtracking. By sending a specially-crafted URL request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203109 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

For all affected versions, IBM strongly recommends addressing the vulnerability now by upgrading to the latest (v4.7.0 or later releases) release of IBM Watson Assistant for IBM Cloud Pak for Data which maintains backward compatibility with the versions listed above.

Follow instructions for Installing Watson Assistant in Link to Release (v4.7.0 release information)

<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.7.x&gt;

Workarounds and Mitigations

None