Improper access control in IBM Rational Test Automation Server

1) Improper access control

EUVDB-ID: #VU59083

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-4133

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the administrative REST API. A remote user can bypass implemented security restrictions and create new default user accounts, even when new user registration is disabled.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Rational Test Automation Server: before 10.5

CPE2.3

External links

http://www.ibm.com/support/pages/node/6844687

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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