Information disclosure in IBM API Connect

1) Information disclosure

EUVDB-ID: #VU51505

Risk: Medium

CVSSv4.0: 2.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

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

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_api_connect:*:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_api_connect:10.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_api_connect:2018.4.1.0:*:*:*:*:*:*:*

External links

https://exchange.xforce.ibmcloud.com/vulnerabilities/196536
https://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.