#VU51505 Information disclosure in IBM API Connect - CVE-2021-20440

Vulnerability identifier: #VU51505

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM API Connect
Client/Desktop applications / Office applications

Vendor: IBM Corporation

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

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External links
https://exchange.xforce.ibmcloud.com/vulnerabilities/196536
https://www.ibm.com/support/pages/node/6430107

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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.