Information disclosure in IBM API Connect

1) Information disclosure

EUVDB-ID: #VU51505

Risk: Medium

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20440

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected software does not restrict member registration to the intended recepient. A remote authenticated attacker can use a stolen invitation link and register themselves as a member of an API provider organization.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

IBM API Connect: 10.0.0 - 2018.4.1.13

External links

http://exchange.xforce.ibmcloud.com/vulnerabilities/196536
http://www.ibm.com/support/pages/node/6430107

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

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