Uncontrolled Resource Consumption in IBM Watson Discovery

Published: 2021-12-03
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3749
Exploitation vector Network
Public exploit N/A
Vulnerable software
IBM Watson Discovery for IBM Cloud Pak for Data
Server applications / Other server solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU56963

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3749

CWE-ID: CWE-400 - Uncontrolled Resource Consumption ('Resource Exhaustion')

Exploit availability: No


The vulnerability allows a remote attacker to perform a regular expression denial of service (ReDoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the isURLSearchParams function in utils.js. A remote attacker can send specially crafted data to the application and perform regular expression denial of service (ReDoS) attack.


Install update from vendor's website.

Vulnerable software versions

IBM Watson Discovery for IBM Cloud Pak for Data: 2.0.0, 2.0.1, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.2.0, 2.2.1, 2.2.1-patch-1, 2.2.1-patch-2, 2.2.1-patch-3, 2.2.1-patch-4, 4.0.0, 4.0.1, 4.0.2

CPE2.3 External links


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.