Vulnerability identifier: #VU60870

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-39038

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM WebSphere Application Server
Server applications / Application servers
IBM WebSphere Application Server Liberty
Server applications / Application servers

Vendor: IBM Corporation

Description

The vulnerability allows a remote attacker to perform clickjacking attack.

The vulnerability exists due to incorrect processing of user-supplied data, when REST API discovery is configured through the WebSphere administrative console Web Container settings to enable the API Discovery service, or through IBM WebSphere Application Server Liberty features mpOpenAPI-1.0, mpOpenAPI-1.1, mpOpenAPI-2.0, apiDiscovery-1.0, openapi-3.0 or openapi-3.1. A remote attacker can perform clickjacking attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server: 9.0 - 9.0.5.10

IBM WebSphere Application Server Liberty: 17.0.0.3 - 22.0.0.2

---

External links
http://www.ibm.com/support/pages/node/6559044

---

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.