Vulnerability identifier: #VU51520

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20250

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JBoss EJB client for WildFly
Universal components / Libraries / Libraries used by multiple products

Vendor: Red Hat Inc.

Description

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

The vulnerability exists due to improper access restrictions. A remote non-authenticated attacker can  gain unauthorized access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

JBoss EJB client for WildFly: 4.0.38

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External links
http://access.redhat.com/errata/RHSA-2021:0873
http://github.com/wildfly/jboss-ejb-client/pull/503

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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.